New answers tagged bottom-bracket
1
vote
How tight should a threaded BB be?
Shimano recommend 50-70 Nm of Torque on both Octalink(yours) and square taper bottom brackets. If you do not have a torque wrench you can try to approximate it by remembering that 1Nm is approximately ...
- 41
1
vote
Brand new Shimano BB-UN300 hard to spin when drive side is fully torqued
I had a very similar experience with my BB UN300 68x122. I inserted the drive side, then the non drive side for a few turns only (i.e, it was still sticking way out of the frame). Then I went back to ...
- 41
1
vote
2018 Diamondback bottom bracket size
A couple things to start. First, are you looking to replace the bottom bracket and keep the same crank set? This is significant because the crank set choice largely guides the bottom bracket type and ...
- 9,522
5
votes
Another very stuck bottom-bracket – non-standard size (37 mm flats)
Thank you all so much for your fantastic tips!! After much toil, this story now has a happy ending!
First of all, after reading all your helpful posts, I took a trip to my local bike shop - they were ...
- 131
3
votes
Accepted
Tiny dent near the bottom bracket of a new hardtail - should I be concerned?
No. Stop worrying. Go and ride your bike and put some real dents in it.
Without sanding it away it’s hard to tell if it’s a paint bubble or a small void in the forged section of the frame. Either way ...
- 4,719
0
votes
Accepted
Can someone please give some advice to help find a new crankset?
In many circumstances you'll run in to chainline problems or frame clearance problems if you replace a mountain crank like you have with a road/gravel one as proposed. You will not be able to use your ...
- 80k
6
votes
Accepted
How to remove and replace wire pins from axle?
As per comment, these pins are referred to as split pins or cotter pins (depending where in the world you live). While some people do reuse them, they should be replaced with new ones whenever they ...
- 47.8k
5
votes
Accepted
Should I use fiber grip or grease when installing a bottom bracket into a carbon frame?
Grease. Allows the parts to come together smoothly, allows the threads to glide properly, seals out water, prevents corrosion, makes sure you can remove the parts again later.
Carbon assembly paste ...
- 25.8k
8
votes
Accepted
Noisy bottom bracket SHIMANO BB-RS500
I agree with @Criggie regarding the comment that there is a high suspicion of misalignment of the bottom bracket cups (they are not perfectly parallel) when they are installed. This infers a ...
- 9,522
Top 50 recent answers are included