Mountain Bike Suspension Tuning At Mojo Rising

Have you ever wondered what goes into an MTB shock tune? Henry took a trip to Mojo Rising to chat to Chris Porter and suspension tech Jack to find out the ups and downs of damper tuning 🔧
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Brought to you by the world’s largest mountain bike channel, the Global Mountain Bike Network (GMBN), GMBN Tech goes deeper into the bikes, kit and technology stories that help fuel your rides.
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[@burkevalli8868]

Dam that seat angle

[@cccpkingu]

The sonic dip.

[@pietynisko8386]

Dam that bar roll

[@yungQi]

climbs well

[@th_js]

This is definitely my favourite video in quite a long time, PLEASE do more of this!!

[@steveedwards5280]

Would have been nice to see a conversation about what changes were made to the shim stack and how much, of what affect it might have.

[@rupedog]

Banger...love a more detailed edu-edit on how shim stacks work...

[@cedriceveleigh]

Vorsprung has a good video about this, if I remember correctly.

[@kasperfriis462]

and I'm here feeling like a wizard after making a few clicks on my rebound :D cool vid

[@simonwenzowski9148]

Alright this is great content I love this stuff. My dream is to have a setup in my workshop that is equipped to rebuild dampers and eventually get into revalving like this. For the time being I'm going to get some training from the suspension centre.

[@aljowen]

I couldn't find a bike shop in my country that would do a lower leg service on SR Suntours more premium forks, the list of bike shops on their website was a total grave yard. The first 10 on the list had gone out of business at which point I stopped bothering. None of my local bike shops would touch them either because they only did Fox or Rockshox forks (including the shop that sold me the bike), and they didn't know anyone that would work on them. So I didn't really have much choice other than to do it myself or buy new forks. It took me a few goes to get it right the first time, but no damage done. There was large quantities of oil in the lower legs, which came as a big surprise considering that SR Suntour forks don't use oil baths and the forks had never been serviced since new. So I didn't know whether to put oil or grease back in to them. SR Suntour customer support helped me out though, they think that the grease must have separated, and told me to fully disassemble the forks and put new grease in. The forks have been fine ever since.

[@meteormedia7021]

Same thing for me in Germany. No shop wants to service my Suntour Auron Boost fork and TriAir rear shock, they all just do Rockshox and Fox. Those god damn elitists even asked me if I wouldn't rather want to "upgrade" my suspension to worse FOX models instead. I'm running pretty much the same setup as Doddy does at 05:20 and it works like a charm, but thanks to the fact that all of my local bike shops are snobs I have to do all the service work myself...

[@woduk]

Those lower end suntours, are generally coil spring with a basic preload adjustment so would just require a clean inside and the spring re greased etc.

[@Pienimusta]

Super easy to do it yourself

[@aljowen]

Mines an Aion, so it's air sprung. It would have been easy to do, if everything was as expected. But when it's your first time and oil is flowing out the bottom of forks that shouldn't have any in them (outside the damper) , it makes it a bit more difficult. But now that I have fully stripped them down and rebuilt them, if anything goes wrong I feel like I am in a pretty good place to put it right. Especially since I ran in to multiple obscure issues along the way where things didn't do what they were supposed to during disassembly.

[@Pienimusta]

@@aljowen Well that was a good learning experience on many levels then. You learned that some shopkeepers are full of shit and not suited for the job and also you learnt new skills and more about your suspension.

[@CMneilB]

Great video. Good to see the insides. Easy to understand the cost of servicing. Also the cost of the shock itself. Such expertise from the country’s best suspension agent.

[@thomasphilyaw8593]

Mind blown on shim stacking. Don't think I'm giving that a go. Great video

[@andrewcollins867]

Chris is such a good guy I would trust him with my pride and Joy !!! Does that Rhyme? 👍😎🤣

[@martinhayes5087]

Perfect Sunday nerdy viewing, just what I needed today 😊

[@jeffg3975]

Excellent content and very informative. I think the “custom tune” is often misunderstood and underrated. Subscribed.

[@tubenachos]

Chris remind me of The Last Samurai

[@76projects11]

what a great interview. really useful advice given here.

[@nickwatkins5227]

Awesome video guys you’ve just convinced me to leave this one for my bike mechanic 🧐

[@ryansara3398]

I'm 15 and I can do a lower leg service on my forks, and adjusting the travel.

[@willbennett7107]

I’m 15 too can do an air can service on my shock but never tried lower legs is it easy as people make it look 😂

[@donchristie420]

Will Bennett yes

[@paulsack9563]

Just serviced the suspension on my bike, great video to watch afterwards :)

[@hobmarg]

Awesome video, loved the detail on the EXT Storia rebuild, those guys are wizards at Mojo.

[@willbennett7107]

Wooow this is so interesting loving this type of videos the lads it mojo are some sort of geniuses where do they learn it all 😂👍

[@mattcucci5490]

You should do more content like this, the tech part was very interesting.

[@STV3TA]

The perfect MTB ASMR video doesn't exsi........

[@archetypex65]

EXT...very impressive heritage. F1, with Lotus. Invented High/Low speed circuits... #wow #extshox 👍👍👍

[@Kenny-je2ud]

Nice 👍

[@knott4me561]

What a treat that was .

[@badlarry172]

great upload, love the workshop/factory tour uploads TA

[@julianrossi8460]

Woah! A real ute on this set of channels, thought id never see the day!

[@newttella1043]

Been waiting for this. Thanks!

[@5492sparky]

A very interesting watch.

[@mtbboy1993]

14:13 I haven't seen this tool before. is this a custom tool? looks like it.

[@sebastianreddan1647]

You guys forgot to mention trying different weight oils. Definately a step to try before stuffing around with shim stacks.

[@MrCaptainsandwich]

They've got my EXT Storia shock for a service.

[@davenonya8854]

lol marzocchi your killin me

[@stevenparisi]

Dig it. Cool episode.

[@th_js]

Should have shown the whole rebuild in more detail though.

[@tonyrgnash]

Morning henry

[@madbassist2004]

Very cool video

[@migatron1]

Are these guys doing Formula forks yet ?

[@polishguywithhardtospellna8227]

Can anyone tell me where is Tomi Saaranen?

[@krzysiu4003]

Really interesting, would have been good to see how he increased the compression using different shims.

[@bbarker5766]

If they are similar to motorcycle shocks (which they are actually) most use thicker and thinner shims.

[@derman3658]

If you look at the writing on the shop towel, you can see h m and I assume l is there. these are the areas each shim work on. also watch as he takes the previous ones off. this will give you an idea bubt I would say youtube should throw up some videos on it

[@renjisama4630]

Hi. Where did You found that violet fork’s bumbers please ?

[@xxMissSummerxx1]

After watching that I think I'll just stick with my hardtail 👍

[@archetypex65]

🤦‍♂️🙄

[@ProgressiveMTB]

really need to get my rebound adjustment done asap

[@scottburns3476]

#askGMBNTech. Hi guys. Great vid, I’m having a problem with my full sus set up and could use some help. I’ve got a specialised Pitch with adjustable front fork and a Fox Float air shock on the rear. I cannot for the life of me get the rebound to slow down on the rear shock. Any advice would be a massive help. Thanks guys love the channel

[@MariusTheDude]

#askgmbntech Hello guys, I know that if you lock your front suspension and you hit a bump, you risk damaging it. Does it also apply for the rear shock? Does it matter if its coil or air ? Love the show, keep it up.

[@beno9966]

Most lock outs are just closing your slow speed compression, if you hit a big enough bump they should still bypass that, moving the suspension and not damage anything.

[@MariusTheDude]

@@beno9966 but how can you tell if your suspension or shock has this option (for example I have a manitou markhor ) ?

[@beno9966]

@@MariusTheDude I'm not sure with that specific fork sorry.

[@carlstanton2550]

@@MariusTheDude compress it by hand, if it's a complete lockout it shouldn't move at all really, if it has a bit of movement when you compress it, it's more of a "firm" setting to aid climbing, instead of a complete lockout.

[@helenmuller8182]

Hello

[@jurijrozanec]

If you are sponsored by DT Swiss why don't you use their suspension and droppers?

[@downhilldummy8091]

This video felt like a waste of time while I was watching it.... but I still couldn’t stop. So it must have been good! I think.

[@ka81alex]

Definitely waste of time, like - suspension is for suspend rider. Well, one must say - mostly all of the videos here became a waste of time.

[@TheProjectX3]

Sensei of tubes

[@willbennett7107]

Is this shop open for the public to get shocks serviced if so where is it

[@derman3658]

they have a hill for testing on too seemingly

[@skfunk4550]

Oh i understood none of it, nowt. I do know that i love these smaller type of specialised business run by enthusiasts not corporate

[@porbuntauge5555]

seeing that saddle position makes it so much harder to trust this guys opinion :D

[@mat7671]

Yeah I couldn't concentrate on that bit cos it disturbed me so much 😁

[@ApexHerbivore]

lol same

[@krzysiu4003]

Looks like he's got it set up for steep climbing. When he's descending he's not sitting on it.

[@MaxMustermannnnnn]

I bet the guy is a kama sutra guru too.

[@ka81alex]

Another video kind of - we walk because ... we move our legs forward.

[@stoenchu122]

High end shop pumping the IFP with air instead of NO2...

[@knott4me561]

Not all systems require nitrogen especially at low psi like that one

[@knott4me561]

Nitrogen just has less moisture in there than air so with such low psi required there it really doesn't matter

[@itsdiscopete]

Still clueless.....