Replace A Shimano Hollowtech Bottom Bracket On A Bike

Shimano Hollowtech bottom brackets are quite common on modern road bikes, although other systems are regularly seen too. Shimano Hollowtech Bottom Brackets are fairly simple to remove and fit, although a special tool is required to remove the cranks. When replacing the cranks, make sure they are securely fastened, as a damaged pair can be expensive to replace.
This is a long guide, so you can choose to either watch the entire video above, or follow it in smaller chunks by clicking on the individual steps below.
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Steps to Replace A Shimano Hollowtech Bottom Bracket On A Bike:
00:06 Remove A Shimano Hollowtech Crankset On
Shimano Hollowtech cranks have a hollow axle that is connected to the right-hand crank. They are simple to remove.
01:13 Remove A Shimano Hollowtech Bottom
A Shimano Hollowtech bottom bracket may have a shell made of metal or tough plastic.
02:54 Fit A Shimano Hollowtech Bottom Bracket
A Shimano Hollowtech bottom bracket may have a shell made of metal or tough plastic.
04:48 Fit A Shimano Hollowtech Crankset
Shimano Hollowtech cranks have a hollow axle that is connected to the right-hand crank. They are simple to fit.
06:46 Check A Bike's Bottom Bracket
The bottom bracket or crank-axle is the bearing on which the cranks turn.
07:30 Check The Cranks On A Bike
Modern bikes usually have cranks made of aluminium, they are mounted on an axle made of harder material, usually steel. If there's any play between the cranks and the crank axle the soft aluminium will soon get worn to the point where it's impossible to lock the cranks. If the cranks are loose don't ride the bike.
#BikeRepair #HowTo #BicycleMaintenance

[@kottelkannim4919]

Probably the best series on bike mechanics ever produced. And that is a British understatement.

[@jurestiplosek3018]

I love when people make it simple.

[@colincampbell3695]

Very helpful video that allowed me to easily (and successfully) replace my damaged bottom bracket!

[@franciscojaviernarbaiza9517]

Thank you very much, I was working on my bike this morning, and this video made it a lot easier. No more annoying noises in my bike, and no more play in my cranks, thanks again.

[@MadeGoodFilms]

Great Fransisco, glad you got your bike back in shape. Our please, thanks for the kind words.

[@007floppyboy]

Thanks, clears up little bits missed from other demo's.

[@colmkerr2353]

just used this to replace my bottom bracket. worked a treat. thanks

[@craigs66]

Excellent clarity. Thanks!

[@SODWF]

fantastic video, thanks a lot!!!

[@mohaymanelneami9345]

This is a really helpful video, Thanx

[@worldofameiso5491]

Ever heard of a torque wrench? Also it is best to apply a small amount of grease to the end of the axle where it mates with the left hand crank to prevent seizing over time. Apart from that it was a clear explanation. 7/10.

[@thomaspagenkopf7066]

Excellent and informative.

[@p181]

Thank you...... appreciated.

[@jasonlaycock9806]

Fantastic thank you very much for this video

[@GidoThePirate]

Really good advices in this video. Especially in the end by testing the cranks and the bearings 👍

[@MadeGoodFilms]

Glad it was helpful.

[@remo31]

Great video

[@ernestoduartejunior1225]

Seu vídeo chegou ao Brasil. Obrigado por compartilhar

[@BPoweredLove]

1:00 "Use a soft hammer" then pulls out the Hammer of Thor. 1:00

[@jurestiplosek3018]

Wood is totally OK.

[@jurestiplosek3018]

But with filling

[@BikeFlips]

Worked for me.

[@hanhtar9062]

Merci !

[@Schtalker_]

Спасибо брат! Хорошее видео!

[@tonypotter9578]

When should you use the supplied washers with the hollow tech bottom bracket? Thanks

[@robertbadea7249]

does these hollow bracket will fit on a DMR DRONE jump bike?

[@thomasboomer9809]

I liked the video, and found it helpful. However I noticed you did not use a torque wrench? It's recommended to use a torque wrench. Tighten to 12 - 14 Nm. I liked the recommendations at the end.

[@BenjaminNew]

When do you use the spacers?

[@rramkhal]

fuckin Thor over here 1:02

[@ALEXIS-rp7oj]

Is Hollowtech 1 JIS/BSA or other standard?

[@m00nchildblues]

good idea! but now while screwing in the two small bolts on the crank arm with a torque wrench set to 12nm, on the arm it says 13-15nm!? Well I started to screw them in evenly on both bolts and then it slipped? I noticed my hex stripped the internal bolt socket being no where near 15nm? Is the spacer in between the bolts in the gap suppose to be loose or is it suppose to be snug and zero gap, ala' 15nm? I would think 15nm would either snap or strip the bolt, 15nm is hard!! what you think?

[@seeadler3233]

I found that the original bolts had a shallow hex hole and a hex wrench slipped out quite easily and rounded out the internal bolt socket . I replaced the bolts with m6x20 1.00 pitch from a hardware store. The replacement bolts have a more secure grip on the hex wrench. They are also , I would guess ,1mm longer than the original and therefore have 1 more thread holding them in the arm. I ride a touring bike and I want my gear to be bullet-proof and easily reparable in the field.

[@tetaizozadja7080]

on witch side does the plastic washer go????

[@DavidNewmanDr]

Unlike more recent videos, it doesn't assume you have a mountain bike with a hanger, instead of something that sits in the slot for the rear wheel axle.

[@dillwiggle2]

Should have used a torque wrench on the bottom bracket cups and on the 2 bolts on the left crank arm.

[@jefjef4359]

Can you use the bb without the middle plastic bit?

[@DEAR7340]

At the very least, and in my case, I find the tube helpful in not fouling up Di2 cables that run through that space.

[@Rudywtf]

hollowtech 2 yeah? because hollow tech doesn't have the pinch bolts or the spindle attached to the arms? with all the multiple types of BB's wouldnt it be better to label this correctly? or am i wrong and having problems with all of the other BB's except external bearing's.. GXP and hollow tech 2

[@samurbandy]

Rudywtf Agreed

[@unogazzy84]

You forgot the spacer part on the bottom bracket. Other than that it was a great video.

[@gaz2750]

What if no movement ?

[@kalizen1091]

thaknks

[@MadeGoodFilms]

My pleasure

[@GTiR23]

Good video, piss poor BB, made of chocolate

[@samben9238]

Not worth doing it yourself because the special spana is too expensive for one job !

[@ofthelord1020]

The way to replace a shimano bottom bracket is remove it, put it in the bin and put a hope bottom bracket in.