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1 vote
1 answer
562 views

I cannot find the correct Crank Arm Bolt for my bike

Recently, when I was riding my bike, one of the crank arms fell off and I realized that the crank bolt wasn't properly adjusted when I ordered the bike, hence when it fell off, I was able to put the ...
Alekss Dzirvinskis's user avatar
0 votes
2 answers
4k views

Crank arm loose (squared taper). Can it be fixed?

My problem is that my squared taper crank arm keeps on coming loose no matter how hard I tighten the bolt - it also starts creaking. Here’s a video of the problem https://giphy.com/gifs/...
Luca Matteis's user avatar
  • 1,015
1 vote
1 answer
2k views

Drivetrain changed - new cranks further from bottom bracket

On the weekend I did an overdue drivetrain change. Everything went fine and runs rather smoothly, but I had to adjust the front derailleur a lot. It seems like the new cranks are about 5 mm further ...
Erik's user avatar
  • 169
1 vote
1 answer
294 views

Praxis Works M30 crankset to FSA BB30 fitted in a BB386EVO shell

I have a BB386EVO frame shell and a FSA PF BB30 fitted into it. All good with this Now, I have a Praxis Works M30 crankset that I want to use but I haven't been able to install. The axle seems too ...
JoseDel's user avatar
  • 11
1 vote
3 answers
1k views

BB spindle length/chainline for re-used Shimano FC-M391 chainset

I'm trying to rebuild an old Univega MTB. Primary goal is to build a good or decent bike from used parts. The crankset+bb that was on the bike when I got it was really worn out. I unscrewed it and ...
Ola's user avatar
  • 1,037
3 votes
1 answer
314 views

Self extracting crank preload

This question got me wondering about self-extracting cranks: What bottom brackets are compatible with Miche Evo Max cranksets (self-extracting type)? Where I've seen them on cartridge bottom brackets,...
Swifty's user avatar
  • 12.9k