Years ago I bought an aero fork, it was ridiculously expensive at the time, I decided that I would cut it myself (had the jig and a hacksaw). After doing so, a buddy looked and said you cut it too short. My local shop said "you're fucked". But I just wrote to the manufacturer, told them the TRUTH that I was a right bellend and they sent me a brand new fork. Honesty pays.
@tobiasbouma4071 Жыл бұрын
During buildup of my (Pina) frame, the supplier of the handlebar forgot to send the pressure plate that goes inside the handlebars to spread the transmission of torque onto the fork. As a result of shite assembly instructions, videos and scope of delivery, I cracked the fork during assembly, even though I used 1 Nm there's a hole now. I reached out to the shop about the missing part, but they're sticking their heads into the sand. We're going to court early next year. Wish honesty paid for me ...
@antonmothes3160 Жыл бұрын
Time fork by chance?
@jaysparc Жыл бұрын
@@antonmothes3160 Oval Concepts (I think they're defunct now).
@Megadeth6633 Жыл бұрын
Seems like you didn't deserve a new fork did you
@olbtube Жыл бұрын
@@jaysparc and that's why (the surviving) manufacturers are reluctant to do that...🙂
@Hambini Жыл бұрын
At 6:32 there is an error in the PowerPoint animation(it might be something to do with not checking the pen was working), the top cap SHOULD NOT touch the bung, there should be a small gap. It is correct on the webpage and on the Look assembly video. Thanks to Klaus for pointing out my crap PowerPoint skills. www.hambini.com/increasing-the-length-stack-height-of-a-fork-steerer-cut-to-short/
@RV-jq5pb Жыл бұрын
so my cap shouldnt touch a bung?
@JeffCowan Жыл бұрын
@@RV-jq5pb Consult your local hairdresser.
@fritzdit7829 Жыл бұрын
Yes spotted that... if it touches the bung you won't get any pre-load.
@LahvlynLozano Жыл бұрын
Where do I buy?
@h.p.734 Жыл бұрын
Oh my god! This couldn't have come at a more perfect time. I was just searching for extending steerer tubes because I cut mine too short. Thank you Hambini
@wzpu3283 Жыл бұрын
Chooch out Hambini pen extenders. My hairdresser loves the results. I'm bald, btw.
@NewPolishScientist Жыл бұрын
I did once and it is easy solution. Just mount stem underneath head tube. + Its also very areo
@jvisscher Жыл бұрын
Aeroupvote
@Lea-mu4pz Жыл бұрын
And you can put a little resthead on top of the head tube !
@veganpotterthevegan Жыл бұрын
Better to cut a hole in the middle of the head tube. Canyon did this for Cadel Evans
@ultrasonicpriest3 ай бұрын
Pro tip: skip the handlebars altogether for an aero look
@robinrai4973 Жыл бұрын
Just what I needed! Seems that VeloBike already makes a really robust version of this - it's basically the same but the expansion bit is extra long for more strength
@rinosanchez2150 Жыл бұрын
That VeloBike website is straight up crack for track bike fiends. I had never heard of it before, so thanks for this comment!
@devdroid9606 Жыл бұрын
The top pinch bolt of the stem won't put any force on the carbon steer tube. So when you pull up on the bar to jump over an obstacle, you don't have the same clamping force on the steerer. If the the bung isn't expanding properly, it can slip and the stem slides off the steerer. Not to mention that the plug itself can damage the steerer if not sized correctly.
@WanderingSword Жыл бұрын
I did this with a fork. I wanted an extra 5mm added to the fork. So I cut a 5mm piece off of a steerer of another "damaged" fork. The 5mm piece was of the same dimension as the steerer of the fork needing repaired. I then epoxied (using JB Weldit) the 5mm piece in. Then I used a really long expansion plug that is 80mm long (the one in Hambini video is about 25mm). I did this repair on an mtb fork and have been using it ever since. Absolutely solid. Now my extension was only 5mm, which means the stem was clamping on both the 5mm piece and the original steerer at the same time. However, I wouldn't recommd this method if you needed a much longer extention (eg: 40mm) where the stem could ONLY clamp to the 40mm extension piece and cannot clamp to any part of the original steerer.
@fernandomiranda765 Жыл бұрын
Were talking carbon here!
@dougdewar7896 Жыл бұрын
I have never cut a steerer too short - except when I did. I have a machinist build a piece with a tight fit and then epoxy it in. Worked for 4 years - but Alias it was a 3T Exploro so I just gave up on all the other flawed other design details and sold the frameset. The star nut threads where integrated into the press fit piece. Stem was half on carbon and half on extension. Allowed for more resistance to rotation.
@paulround4691 Жыл бұрын
I did this with a machined titanium tube ,it was tight in the forks and stepped out to steerer tube width , after which it was epoxied into the fork...40,000kms no problems...it was a 3T fork with a very good internal fit in the tube.
@JeanFrancoisDesrosiers Жыл бұрын
Yeah. The key is to make sure the add-on is well sit in epoxy and bond stays solid. The result is pretty much as strong as a single straight tube.
@actonblue2012 Жыл бұрын
Cutting steerer tubes is always a job I take loads of time over. Measuring a good few times before I cut. A good saw guide is recommended to cut the tube square. A cheaper alternative is to use a couple of jubilee clips as your guide. Oh and when you cut carbon wear a mask the dust is nasty stuff. Enjoyed the video cheers.
@mcspikesky Жыл бұрын
Clamp two stems and cut between em. Mentioned on previous vidyo comments
@rollinrat4850 Жыл бұрын
Spray water on carbon as you cut it. USE A DIAMOND BLADE! Its abrasive. Easy Peezy. Lubricant is always best in a cutting action. Cut slow and steady. No high pressure, wrap the area to be cut in masking tape to minimize splintering. Old machinist's wisdom: Measure twice, cut once. You cannot cut it longer!! I'm an old retired machinist. I worked on all sorts of really expensive stuff where exotic materials were only made in a few places around the world. Getting more material could mean waiting 6 months! We always mocked up our processes in cheaper expendable materials FIRST. I say, measure 4 or even 5 times! My favorite teacher in high school was my woodshop teacher! If we screwed up he'd make an example out of us. He say, "You bought the freakin farm!"
@medawc519 Жыл бұрын
That's actually one of the sketchiest fixes I've ever seen, introducing a weak spot and potential dimension tolerance problems right where the one of the most critical connections on the bike are.. On a steel steerer tube I maybe would give it a pass, but on carbon - no way.
@jacobjingleheimer Жыл бұрын
love it!!! p.s. cannondale doesnt maintain after market forks (even for warranty) with paint match.
@user-cx2bk6pm2f Жыл бұрын
I learn something new and profound in every video! Thumbs up.
@MrSzwarz Жыл бұрын
I discoveded a simple solution by Focus preventing crashing steerer tube by wrong use of shorter head set or too long steerer tube. They inserted steel tube (cut along) so it could expand and then head set inside, It is well supported along carbon walls.
@TheBassallyear100 Жыл бұрын
just bought a new fork for my madone SLR. I didn't cut it too short, rather i've just rapidly become an increasingly old bastard over the last 3 years or so. with that said i searched high and low for a solution like you actually manufactured since i only originally wanted to increase the height by 10mm. it was unlikely to be available in my case since the madone has a D-shape steerer tube but it would be great for other if you add that to your lineup.
@rosomak8244 Жыл бұрын
This is the reason why I just recently on purpose cut my steerer too long :-) I don't want to find myself in the same situation few years down the road.
@finncarlbomholtsrensen1188 Жыл бұрын
As an owner of a very early GT Zascar Alu MTB, it had the first discbrakes I had seen by then. I then found a ligther Vision Kilo carbon frame which I replaced from the original, and the steerer became a little too short, but still mostly useable! I have lately found a Chinese extension part, like yours with a round top, making it able to get the handlebar moved further up. Finn. Denmark
@guinieroo Жыл бұрын
how its going with the Chinese extension ? Any problem? Do you do trails?
@finncarlbomholtsrensen1188 Жыл бұрын
@@guinieroo Well I haven't actually had a purpose to put them on my bike.. But my former alu frame had a little shorter head set mount/part so it is a little short for my new Carbon frame. Nothing serious, but I would like to get my handlebar and stem a little further up, in spite of a small increase in weight.
@celynjones49589 ай бұрын
Nice job. I did the same fix using a similar expanding plug. The only difference being I used JB Weld to glue it into the steel steerer tube on a MTB fork. Cheers :)
@kevinfrost1579 Жыл бұрын
That’s magic brilliant fix , that one’s going in the long term recall ! Wish all 5 year old’s smart as you 😁
@Freightlinerbob Жыл бұрын
The Delta brand steerer extender works perfectly well for aluminum and steel and is attached more securely than any stem on a threadless steerer. It’s only drawback is how it looks.
@carlosflanders518 Жыл бұрын
Delta is great and easily available. No easy solution for carbon steerers though - carbon is a lousy material for steerers, IMO.
@rollinrat4850 Жыл бұрын
Yup! I wrench in a shop. Ive wrenched on bikes for over 50 years. Ive witnessed the deevolution of bicycles, manufacturing and QC! The 'RING OF DEATH' is a regular reality. A ticking time bomb than can KILL!! If you don't know what it is,LEARN! LEARN to adjust and overhaul your headset, AT LEAST once a year. LEARN how to inspect your plastic fork steerer! Or take it to professionals. OR better yet, don't use a freakin plastic fork! This is NO JOKE! Carbon is not what marketing bullshitters make it out to be! If you were stupid enough to buy a bike with integrated or INFERNAL routing, haha, good freakin luck! Get ready to shell out cash! All this new crap is job security for me!!
@markrobinson1458 Жыл бұрын
Measure twice,cut once, it's a solid repair is that, not too much 15mm, I'd be troubled by anymore than that 🤔👍
@sirulrich88 Жыл бұрын
hardcore engineering skills, I am flabbergasted by this rundown....
@zap... Жыл бұрын
With this fix... say goodbye to your steerer tube and your front teeth all in one simple failure. But, if you really want to do this kind of fix, don't.
@stop223 Жыл бұрын
Nice engineering work (at least I guess it is, I'm not an engineer) However I would sell the fork to someone running a smaller frame size and just get a new fork..or measure twice in the first place
@dddzzzdddzzz4 ай бұрын
Calling any part of this job "engineering" is hilarious to me.
@paulmorrison30 Жыл бұрын
Excellent young man 👏🏾👏🏾. I also find its best using the long end when things seem deeper 🤔
@hectorkidds9840 Жыл бұрын
I'd be slightly concerned about using this, the compression plug inside the steerer, should match the clamping area of the stem, as the plug is trying to 'stretch' the steerer, and the stem is trying to squash it, they support each other if they line up. Where the expander is now below the stem it's acting on an unsupported part of the steerer. Same thing happens if you have a load of spacers on top of the stem, which is why most manufacturers recommend a max of 5mm of spacers above.
@hectorkidds9840 Жыл бұрын
Having said that, it's a small extension, so probably OK, but I'd still want some overlap between stem and clamping area of bung.
@mikeleland Жыл бұрын
There’s no cause for concern with regards to clamping area as he’s using a machined aluminum extender. Aluminum steerers don’t use compression plugs. They use star fangled nuts. The sole purpose of the star fangled nut is to provide an anchor for the top cap bolt. The top cap is used to preload the headset bearings and remove play. It is only necessary for adjusting headset preload. Once that’s done, the cap/bolt/star nut are unnecessary. Carbon steerers use compression plugs instead of star nuts. But they serve the same main purpose. To provide an anchor for the top cap assembly when adjusting preload. SOME carbon steerers are not strong enough to withstand the the clamping forces of overtorqued stem bolts. And that is where compression plugs provide a secondary benefit. They do not stretch the steerer tube. They do provide additional support to avoid crushing the carbon fiber tube in cases of overtorqued stem bolts. This is why some manufacturers recommend specific compression plug designs and placement. Most manufacturers actually recommend a MINIMUM (Not max) of a 5mm spacer above the stem. Manufacturers do have a recommendation for max spacer height but that is for BELOW the stem.
@rosomak8244 Жыл бұрын
This is only superficially true. The plug is in fact not an inherent design element of the headset. Just think about the sheering forces occurring when you pull the handlebar. At the places where the stem is going through the frame there aren't any internal expanders present. The forces during riding and pulling the handlebar which act's as a lever are huge compared to anything this kind of plug does to the stem. So if the stem can't handle almost arbitrary placement, the whole fork is not sufficiently strong in the first place. Squashing something twice will not help its internal structural integrity.
@markrushton5106 Жыл бұрын
That was a simple elegant solution, chapeau. I bought a fork off eBay but you have to get lucky.
@interceptor7905 Жыл бұрын
Agreed with Hambini.Pipe cutter is the tool for it!
@danoontjeh123 Жыл бұрын
That was a nice way of fixing it. Nice trick to have up the sleeve if it's ever needed.
@jasonkroll9532 Жыл бұрын
This channel is awesome. Great videos
@stephencarman1118 Жыл бұрын
I cut mine short and simply just bought a longer headset bung made by Deda which gives far more grip and therefore you can add more stem spacers.
@jbkltc4469 Жыл бұрын
don't like ist, it's wonky. why not glue it in, so the load doesn't get tranferred through the knurled part of the expander alone?
@waynosfotos Жыл бұрын
Well Mr Hambini, i would say you haven't put enough ink in your pen this day lol. Not a big fan of this hack, i get it is a last resort (I think you didn't emphasis this enough). But I would highly recommend first, you get a new fork. Because you are only relying on the knurled expander plug and bearing pretension friction to prevent any moment movement from the point of the knurled section to the top of the stem clamping, which i would say the user has, the top clamp clamping point, on the new aluminium bung that has a slack fit. This could potentially wear the inteface between the knurled section and the inside of the carbon, or worst case, the handlebars could come off in your hand due to wear from movement when riding. Also not a fan of those short plugs.
@jezworld Жыл бұрын
As Tommy Walsh used to say: "Measure Twice, Cut once"
@malz3836 Жыл бұрын
I was told this time and time again as an apprentice Toolmaker, now I tell every apprentice. It’s the only way as I’m sure Hambini and his hairdresser would agree.😂
@rollinrat4850 Жыл бұрын
This is the machinist's axiom. I worked on ultra exotic materials. Stuff made in only a couple places on the planet. Effing it up meant waiting months for new material and very pissed off customers. A fireable fuck up. We always measured 4or 5 times and proved out all our processes on cheap expendable materials.
@nerdalert545 Жыл бұрын
Joe's carbon repair in Watsonville CA fixed my fork for $200 after my mechanic cut my steertube too short, after taking a bong hit.
@workshopninjathe1st Жыл бұрын
Sketchy as frig… if the lower bolt on the stem fails you are hitting the deck. Just buy a new fork.
@AVAV-jl1hi Жыл бұрын
Take my money! 😂 we need this on the website to be ordered
@edwardgurhy100 Жыл бұрын
Why do people cut steerer tubes unnecessarily close / short. I leave mine a bit longer and just add a couple of spacers under the top cap. That way when you come to move the fork on (between frames / or selling) you always have a bit more stem to play with. Simple really.
@rollinrat4850 Жыл бұрын
Some idiots believe form>function. Some think it's just so cool, when nobody really gives a shit. Yet far fewer will ever even enter a race where it might offer a little benefit in a breakaway. Practicality is for bike nerds like us! It's known as (not so) common sense.
@rossejera1661 Жыл бұрын
Exactly. And IMO it actually looks better
@JKPwaka Жыл бұрын
The HELLOOOOOOOOOO just freaked my kid out. I did have the volume at max tbf
@danfuerthgillis4483 Жыл бұрын
The only issue is you did you not line up the expanding pieces from the expansion plug so they are equal on all sides (same gaps). I made a boring 20 minute video explaining how even pro bike mechanics are installing these expansion plugs wrong and also the wrong length. Basically you want the length to go down pass the head set bearing, then you want the expansion pieces do go into the the steerer tube already a bit expanded so this way they go in pregapped the same on all sides, since there are 3 pieces with 3 gaps, one gap goes directly to the front of the bike, the side gaps will now face back angled, the faces will face the handlebars which is important in order to protect those ares from the handlebar hand movement forces. Great video and a good fix!
@TheLanorth Жыл бұрын
My left ear learnt a lot!
@jl2525 Жыл бұрын
That’s not a headset Hambo it’s a steerer plug! There is a kiwi company,who’s name escapes me, that does a high quality version of this to extend head tubes by up to maybe 35 mm.
@andrewlucas246 Жыл бұрын
velobike
@paulinfrancis Жыл бұрын
Velobike, they specialise in track components 😊
@RICHARD.WRIGHT1 Жыл бұрын
Fantastic Powerpoint. Takes me back to the days of Graphics done on a Sinclair ZX SPECTRUM..... :-)
@AndreiNeacsu Жыл бұрын
One of my 2 Cube bikes from 2008 came with a compression nut as you have shown at the beginning of the video. The odd thing is that people said about that particular type of steerer nut is for carbon forks, but that bike had an aluminium steerer tube (and that bike still has the same awesome fork).
@rosomak8244 Жыл бұрын
The difference is in the diameter of those plugs.
@userkmunhwaock Жыл бұрын
Compression plugs work fine with aluminum steerers, as long as the diameter is correct (typically aluminum steer tube walls will be thinner than carbon counterparts) but it doesn't work the other way - you must not use a star-nut with a carbon steerer!
@AndreiNeacsu Жыл бұрын
@@userkmunhwaock That was my assumption also. Now, I actually would group Al. and carbon on one side as "softer" and "easily scartchable" materials, while on the other side, Cromoly and titanium as harder materials. I would not use a star nut on anything else than steel and totally agree with the choice of compression nut for Al. parts, especially considering that the cones and sides (of the compression nut) are made of Al. themselves. As for the diameter part, these expand quite a lot, but it's irrelevant, as diameters are well standardized. Actually, I would use these on any fork and do not understand why star nuts are still put on any bike costing more than $200; it's probably $0.25 more profit.
@rollinrat4850 Жыл бұрын
@@AndreiNeacsu Star nuts have been used on aluminum steerer mtb forks for decades. Yeah, they're thick! They don't cause problems either. If you know what you're doing, you don't even need a star nut, top cap or bolt (all the time) not an expander plug with a metal steerer tube. Saves even more weight, haha. That stuff is just a temporary bearing tensioner. All these steerer headset problems start with marketing BS, weight weenies, ignorance and the suckers born every freakin minute...... People who pay more for less. It's quite ironic. Ive never seen the dreaded 'ring of death' other than on plastic steerer tubes. We find and replace plastic forks for this reason on a regular basis because some riders are ignorant clueless dummies. I wrench in a shop by the way. This is more common than replacing forks for crashes and freakin 'upgrades'. Don't know what that 'ring of death' is? Have a plastic steerer? Ask or find out and LEARN. It can be an unseen ticking time bomb OR It could save your life. This is no exaggeration. I'm dead serious.
@mychannelnotyours123 Жыл бұрын
I'd want the insert to closely match the internal contour of the carbon stem to prevent the stem collapsing from the stem's clamping load. This is particularly important when you consider the competence of your customer. If they can't measure and cut a stem, they're not going to understand torque wrenches either.
@rollinrat4850 Жыл бұрын
How much plastic junk have you replaced when idiot consumers over tightened stems, brake levers and shifters? How many plastic forks have you replaced? It amazes me, yet heres job security for us!! I had a kid come into my shop, claimed his friend borrowed his bike and oiled his rotors because they were so squeaky! Ive seen similar more than once! Natural selection, survival of the fittest and the 'Darwin Awards' are reality!! As Ebenezer Scrooge once said, "Decrease the surplus population!" I might also argue that de-evolution is in full swing!
@rodrigomaero Жыл бұрын
Many many many years ago I had this problem with a bike i bought used, but the tube was steel with a starnut. My solution of course in the end was to sell the frame and buy a new one, at the time i designed a similar device that would go interference-fit into the tube to extend it but it was too much of a hassle for me to do it
@wzpu3283 Жыл бұрын
FYI, the fork is separate from the frame. Cool story about almost doing something.
@rodrigomaero Жыл бұрын
@@wzpu3283 it was an odd old-ish frameset. The fork was carbon fibre with 1” threadless tube
@larryt.atcycleitalia5786 Жыл бұрын
I once bought a used bike on ebay that had a fork with (steel) steerer tube extended with a welded-on section. The thing was perfectly straight and true so I put it together with the spacers that raised the (old-time quill) stem up around 40 mm and had no issues. I figured even if the steerer tube somehow snapped in-two it was unlikely to fail without any warning. With carbon...I'm not so sure.
@fukairen9601 Жыл бұрын
I made an aluminum part with central thread, using epoxy to glue it on the steerer tube.
@endianAphones Жыл бұрын
What's better? Using a stem pointing up, or raising a few spacers?
@rosomak8244 Жыл бұрын
Mechanically a stem pointing up is theoretically better. However since all parts at all angles and heights are designed to manage the loads anyway it's rather irrelevant. Decide based on aesthetics.
@bikesmachineswithwong81399 ай бұрын
I made an additional sleeve, so it can clamp onto the carbon bit.
@clp91009 Жыл бұрын
I’m quite impressed this is a neat fix. How much torque did you apply to the bolt that fits down into the original compression plug? I normally don’t go more than 5-6 nm to avoid stressing the steerer tube walls from the inside when fitting a compression plug.
@awildcyclistappears Жыл бұрын
Hello Bambini!
@7258martin Жыл бұрын
Beautifully simples.. 🙏
@jamesmedina2062 Жыл бұрын
Excellent stuff my man!!!👌👏
@brianstranyak1049 Жыл бұрын
awesome fix
@irakperez Жыл бұрын
this one is fantastic!!
@the_drifter58656 ай бұрын
Stem extender will do.
@glennoc8585 Жыл бұрын
Those amazon sold extenders are often listed as steerer extenders for MTB....makes sense as the steerers are mostly alloy. I actually like the idea of this extender Hambini has fabricated as you're that plug further into the steerer and then clamping into the alloy extension which I prefer
@SephGarreffa Жыл бұрын
Are they going to work on a carbon tube?
@GNX157 Жыл бұрын
To my mind, doing any of this is fraught with danger, which really hambini why subject yourself to it. The liability is too great. Although the plug extends under the stem enough for its grip, the plug should really be extended even further to a decent amount below the upper headset bearing, and the expander surface should be much more. To each his own, but bottom line if you cut it too short, get a new one, paint color regardless, just roll with it using a straight major color from the current paint scheme.
@userkmunhwaock Жыл бұрын
Absolutely agree. The plug seems far too short and likely creates a new stress point in the steerer tube - lateral forces would be basically concentrated where the plug ends within the steerer tube and only an inch or so of the carbon tube taking it all. Zoinks!
@rollinrat4850 Жыл бұрын
I'd bet he's evaluated this. The main problem I see as a mechanic in the bike shop is people ride the hell out of their junk, ignore it until it's too damn late. They believe carbon is some wonder material that never fails. Unfortunate, but natural selection works. The Darwin awards are morbidly entertaining too! "Decrease the surplus population" Ebenezer Scrooge was onto something there. I say INVEST in your own safety and well being. Ignore marketing BS, think with one's own well being in mind, not to mention your loved ones. Saving a few hundred bucks (nor a freaking kilo) isn't worth a visit to the dentist..... or far worse, having your loved ones, or tax payers wipe your stupid ass the rest of your days....... Then again, I don't ride plastic junk. I used to manufacture carbon satellite components. I was a mechanical inspector too. The larger bike industry's supposed 'quality control' doesn't come close. Its not in the same universe! Most assembly workers are paid by the unit, not the hour. Ive seen very few metal bikes fail from fatigue. Ive ridden raced and wrenched for nearly 50 years. Ive wrenched in a high end shop for 7 years and seen dozens of overpriced, underweight frames, forks and components relegated to the dumpster. Ive cut this stuff up too. I know what I'm looking at! I find it all telling and very ironic!
@geoffreyveale7715 Жыл бұрын
Alternatively make an aluminum insert/extender that is epoxy bonded into the fork with lots of overlap inside the carbon fork for max strength. No expander used. It is a one off repair that makes the fork a fixed (longer) length. It adds a little weight but no concerns about strength or where the stem clamps.
@jimbo9030 Жыл бұрын
Ideally that machined part should be bonded into the steerer tube so as to eliminate any small chance of that piece turning and also the adhesive would fill that 2mm difference between the inner diameter of the steerer tube and the outer diameter of the machined piece eliminating any crush on the carbon part of the steerer. As is the compression part of the compression plug is serving a purpose by holding things in place, but it is not doing it's main job of preventing steerer crush as it is now under where the stem is clamping the steerer. Granted there is only 2mm difference but that's still enough to crush via over tightening or crash related forces.
@glennoc8585 Жыл бұрын
Crush is only when the external force exceeds the internal force. I always use the same torques on the plug and the clamp to reduce risk compression deformation of the steerer.
@vidpromjm Жыл бұрын
Surprised it wasn't bonded as well. Can't see any need to be removable unless I'm missing something?
@ukaszszapa2440 Жыл бұрын
Steerer tube is never too short! Slam the stem!
@rollinrat4850 Жыл бұрын
Just bond it to the freakin fork crown. You simply can't make something idiot proof for an idiot.
@jerseymikekey Жыл бұрын
Have you seen or do you have any opinion on the Velobike steerer extenders they make? They say they're good for aluminium or carbon steerers.
@DaveCM Жыл бұрын
The plugs are longer too. So, they will be better than this
@bdubs19679 ай бұрын
Do you recommend s;omething like this for a mountain bike?
@DeveryAndrews Жыл бұрын
I use the Zipp Sprint SL stem and you can’t use a spacer under the stem cap because it’s not round. Hasn’t failed yet thank goodness.
@folkabuss Жыл бұрын
Waiting for comments from the so called professional bike mechanics.
@rollinrat4850 Жыл бұрын
Hambini: "Insufficient penetration". Really sounds like a personal problem. Indeed, 'solutions' exist! A great fix! Put that CNC lathe to work and start selling quality expander/ extenders and other problem solving products. I'm sure there's a market for all the ham handed dummies out there. So many people are riding around on sketchy, scary plastic shit and they have not a clue! Plastic steerers can be like ticking time bombs. Few folks know about the 'ring of death'. In the bike shop we find the 'ring of death' on a regular basis and replace forks. It's mostly caused by ignorance and neglect. This is truly a serious, scary issue! All jokes aside. For the unknowing, It comes from bad headset adjustment, ignorance and or idiotic assembly, ironically when it's such a simple assembly! Ultralight, underweight, overpriced race hardware doesn't help everyday riders either. But it job security for me! Get a bar feeder for your lathe and it could run all freakin night. If I lived in England, I'd run your machine shop just for advice with some marital aids!
@BruceWayne-xg2cz9 ай бұрын
This make sense 👍
@jaysparc Жыл бұрын
I often use the long end of it. Especially with my ball head allen wrench (get your mind outta the gutter)
@Brookwin Жыл бұрын
Heyo Hambini, where did you get your drawer unit from (as seen when you're doing ppt.)
@bogdanpop211010 ай бұрын
Hello, how and where can we purchase this product? Thank you.
@iMadrid11 Жыл бұрын
You should send one of these fix to GC Performance. He has one of those carbon fork steerer hanging on his shop that he cut too short.
@DaveCM Жыл бұрын
He's not going to do that on a customer's bike. What Hambini made is already available by various manufacturers. It isn't a new idea.
@DWMtukwila Жыл бұрын
I am really not sure what an AL insert could not turned on a lathe to join another piece of AL or carbon that would simply extend the fork
@tomp538 Жыл бұрын
I guess time will tell of the reliability of this repair. But it is cheaper than a new fork... long as it doesn't fail during a high speed decent.
@WowRixter Жыл бұрын
Nice fix. So are you now expanding your product range? 😉
@Hambini Жыл бұрын
I've been looking at wheel hubs for a while, that might be the next one.
@WowRixter Жыл бұрын
@@Hambini ooo interesting. "Hubini"
@stevenpike7530 Жыл бұрын
Excellent…
@philhunt1442 Жыл бұрын
Any way I can get my hands on one of those extenders without taking the time to learn to machine it myself?
@Hambini Жыл бұрын
If you contact me on support@hambini.com I can probably machine you one up.
@mrpappa4105 Жыл бұрын
Hhhheeeellloooo im a Swedish fan!
@StreamBikesNL Жыл бұрын
Complete and utter bollocks this video. I am intrigued by most of your reviews (and PowerPoints), whereas on this one you completely lost me and lack credibility in my view. One cannot put torque on an expander plug which is what this solution suggests, this may cause this to come loose and is very dangerous. The part which is the expander plug has not been designed nor manufactured to cope with these forces whereas the fork/steerer tube itself was. Moreover your suggestions are very vague (not too much etc) and this leads me to belief you cannot prove this to be safe. So interesting solution but I beg to differ and reason this is very unsafe.
@mrs3lfd3s7ruc7 Жыл бұрын
Can Hambini fix other things that are too short, as well?
@borano2031 Жыл бұрын
Super powerpoint!! I wish that I could do.. Rgr
@event4216 Жыл бұрын
Did he cut steerer tube under spacers and then realized stem goes flush on top of head tube?
@christopheralix8554 Жыл бұрын
Can we get and update? Did your buddy die on a descent?
@DHFlip18 Жыл бұрын
Love the video, great idea bud! Do you think this method would work on a downhill MTB fork, have you ever tried it on a mountain bike? Thanks!
@rollinrat4850 Жыл бұрын
Is this a serious question? How much are you willing to compromise your well being? My boss took a bad landing in a DH race and snapped his 'heavy duty' carbon h'bar like a twig. Own up to your mistakes and learn from them. The costly mistakes often offer the best lessons. Just some old wisdom from someone who's made lots of mistakes. A few of them on trails. Seriously, don't compromise ANYTHING on a bike you use for going really fast. 'Most folk's' lives are worth more than that!
@DHFlip18 Жыл бұрын
@@rollinrat4850 Well I do appreciate your input, and the fact that you seem to come from a genuine place if caring, so thank you. I actually have a full carbon frame on one of my DH bikes and it's pretty strong. And I also have a carbon Renthal bar too... I prefer aluminum though because I don't like the take of stem and teeth. I've been riding DH for almost 25 years now. I was riding yesterday, and every weekend this season. I've broken a few bones and snapped a few frames, all to say I've made mistakes of my own. I've also raced with a 1999 Boxxer fork with a cracked brake arch, hit drops on a cracked GT LOBO and still send big jumps and drops on my cracked Santa Cruz Super 8. That's all to demonstrate my level of stupidity. Clearly, I'm not the brightest. But this thing is pretty cool, and it seems like it could work on my Avalanche front fork. Downhill forks are not as reliant on steerer tube strength as single crowns because the dual crowns can hold the steerer in place. And I can use my Da Bomb head lock to sandwich everything in place thru the steerer tube without even using a headset star nut.
@rollinrat4850 Жыл бұрын
@@DHFlip18 I suppose that's a good point. We don't work on or sell many DH bikes. Just trail and enduro. Yet.....the cost of new uppers/crown/steerer will never come close to the cost of dental bills or far, far worse. Take care of yourself! Life is short, even when you're young and can 'never die'. Carbon mtb stuff, especially DH is pretty overbuilt, probably for a good reason! Stupid light plastic road junk, (intended for racing) is a whole different kettle of fish. We banned weight weenies from our big death rides. They always break down and cut em short. I'm often the only real mechanic on such rides.... The one and only carbon frame Id ever ride (that I could afford) would be a Santa Cruz. We're a dealer and Ive wrenched on hundreds of their bikes. Rarely see breakage, warranties or issues on Santa Cruz. Great company, great service. Another buddy broke the aluminum swing arm on his Nomad after riding like a maniac for almost ten years. They gave him an entire new frame! Still, I use metal bars, even for techy XC/marathon, CX,gravel, road and huge bikepacking adventures. I'm surprised we don't see more Ti bars anymore. Metal generally just bends or cracks when it begins to fail. Its probably fair to add the guy who broke his h'bars is young and crazy on a bicycle. He rides with a pro DHer and loves huge air. He's accustomed to dirt bikes like many of the really fast DHers I know. Personally, I'm older and half retired. I have a family, own a business and a home. Crashing these days takes much longer to recover from. My thing has always been underbiking, fixed gears offroad, ultra long dirt rides, climbing most of the day, slower trialsy trails and dirt rando rides. Almost forty years ago I raced on the road.
@BrandonMeyer1641 Жыл бұрын
This guy is hilarious
@ianiscaratti4924 Жыл бұрын
velobike already does one
@bobqzzi Жыл бұрын
That's a clever solution. What would you think about just making a solid plug and epoxying into the steerer tube?
@NeoPayneHK Жыл бұрын
so it has to be tight fit/ press fit?
@bobqzzi Жыл бұрын
@@NeoPayneHK Slip fit
@lovecycling193 Жыл бұрын
I've seen a study done into reinforcing steerer tubes, the issue with solid insert is what people don't see is that under braking the steerer tube actually bows a little, so if you then add a solid metal insert the bottom edge acts as a stress raiser and move the point it bows at lower down the steerer, this could lead to premature failure, the out come of the tests was that Cervelo's method of bonding a tube in for a star flange nut was okay as long as it's not to long, and Campagnolo extra long expander were the best way add strength to the steerer tubes.
@housepfhoopz Жыл бұрын
need to buy this!!! Plz let me know how I can buy this
@Ob1sdarkside Жыл бұрын
My hairdresser has advised me to get one of these...
@splashpit Жыл бұрын
I’m bald and don’t go to a hairdresser , any tips on hooking up with one ?
@robertp7209 Жыл бұрын
Why not make a machined alloy piece as you did but make the insertable part say 3 inches long or longer, then bond it in permanently? Poor steerer concentricity wouldn’t matter, nor would a flush cut carbon end, just design the piece symmetrical and with the thicker part oversized, then when the resin cures, set it up in a lath and machine the alum even with the carbon. Let it setup in a jig to keep it as straight as possible. The alloy piece can include threading for the pretensioning bolt. If the carbon is compatible with the alum alloy. I know they do make carbon bladed forks on alloy crowns and steerers. If there is any concern about the bond breaking, just steel pin the two together in a couple of locations.
@philipsimmonds1103 Жыл бұрын
Compression plugs , in general..are 2 short .. size matters .
@plasot Жыл бұрын
I need to extent fork but not because I cannot mount stem but because I want it higher, original is cut too aggressively for my liking. I guess I need to sue some extension from amazon
@simonguard5087 Жыл бұрын
Clever👍🏾
@ebigarella Жыл бұрын
I'm never sure if you're talking about the fork or the fo/uck?
@95windsurf Жыл бұрын
Do you patent these solutions before posting on KZbin?
@fradd4045 Жыл бұрын
great idea but i would never make or sell it to another person
@simonnalder4394 Жыл бұрын
How do we know if the pen is working?
@retromod7525 Жыл бұрын
Fucking genius bit of work
@kevin_du_92 Жыл бұрын
U can also get a ergo-something drop bar, that curves up 1 cm. Ugly, but does the job.
@ddream777 Жыл бұрын
Thumbs up for indicating Taiwan is one part of China! Yes Hambini!
@folkabuss Жыл бұрын
Sorry. Taiwan is a part of the USA.
@michaelw2570 Жыл бұрын
If Hambini saw ANYONE ELSE with this idea (he didn’t look very hard because they have) he would shit can it for being dodgy. P.s. salad fingers wants his voice back.
@vromaka Жыл бұрын
Hambini, in all Cannondale manuals for caadx and caad bikes, it is forbidden to put a spacer above the stem, for safety reasons...
@Hambini Жыл бұрын
really, do send a link
@flaccus123 Жыл бұрын
@@Hambini Warning on page 10 of the Synapse Manual. Looks like the top cap has a built in spacer though. www.cannondale.com/-/media/files/manual-uploads/manuals/oms%20cd%20bk%20rd%20synapse%20disc%20en%20r1%20134911.pdf
@vromaka Жыл бұрын
For instance: www.cannondale.com/-/media/files/manual-uploads/manuals/2011_webOMS_127398_SuperX_EN.pdf Page 10 "Assemble the fork, headset, spacers, and stem without tightening the stem bolts onto the head tube. When the system is assembled, the carbon steerer tube should be 2-3 mm below the top stem. All spacers must be located below the stem and within the maximum stack height as shown. No spacers may be used above the stem."
@vromaka Жыл бұрын
I can go on, but I think my point is pretty clear :)
@flaccus123 Жыл бұрын
@@vromaka Cannondale's are a bit unusual though. They use this SI compression assembly where the top cap threads onto the expander and you install both at the same time, plus the top cap has an outer sleeve that reinforces the steerer tube where it is clamped by the stem bolt. So you can't put a spacer under the top cap anyway. In any case I wanted a custom top cap so replaced the Cannondale assembly with a much longer pro compression plug which provides much better support to the steerer tube. That allowed me to use my custom top cap and as I have not cut my steerer yet have a couple spacers under the top cap with no issue.