All Questions
Tagged with bottom-bracket crankset
221
questions
2
votes
1
answer
117
views
How to read chainline specs for crankset and bottom bracket compatibility?
General question:
I've been trying to find a replacement crankset, but have been having trouble understanding other posts about compatibility with respect to chainline. It seems that people add the ...
0
votes
0
answers
19
views
Will Sram Dub Pressfit BB92 fit a Sram Apex Crankset?
I would love your help. Will this Sram Dub Pressfit BB92:
Fit the Sram Apex Crankset:
2
votes
1
answer
77
views
crank arm with 15mm diamond holes
I have a stationary bike that was given to me. The threads for the pedals are stripped, so I was trying to replace the crank arms.
Both arms are diamond hole types, I managed to get them off, but I ...
5
votes
3
answers
424
views
Left side crank arm stuck to spindle due to stripped threads, how to remove bottom bracket
The bicycle in question is a "Schwinn Women's Ranger 26" Mountain Bike". It has a slight play in the crank arms, stemming from the bottom bracket.
I tried taking the crank arms off, and ...
1
vote
1
answer
94
views
bottom bracket axle length, chainline and crank compatibility
TLDR: How much leeway there is, if any, in selecting the bottom bracket axle length for octalink or square taper cranks in order to reduce chainline?
Background: I'm doing some minor modifications to ...
1
vote
1
answer
115
views
Bike pedaling makes cracking noise under middle or high load
Can this be related to bottom bracket bearings of Race Face BB92, PressFit? The chain is freshly lubricated and quite a new one. No noice is produced when pedalling with low load or not pedalling.
...
2
votes
1
answer
63
views
Square-taper crank wobble/movement in only one spot
For square-taper aluminum cranks:
When my drive-side crank is in the 12:00/highest position and the non-drive side in the 6:00/lowest position, there is slight play between both cranks (it rotates ...
2
votes
1
answer
52
views
Installing crank on threadfit30
I wanted to get advice regarding installation of new bottom bracket and crank.
My frame BB shell is BSA68.
Bottom bracket is threadfit 30
crank is eewings mountain (which expects a BSA73).
I looked ...
1
vote
1
answer
199
views
I have a Triban RC100 (Women's bike, small) what size bottom bracket does it have?
I recently crashed my bike and bent the stock crankset so I am thinking of buying a new one and replacing it but for that I need to know what size bottom bracket comes with a stock Triban RC 100 women'...
4
votes
4
answers
709
views
How can I measure whether pedals and bottom bracket are properly aligned to each other and parallel?
I get a weird sensation on the left pedal when I'm riding one of my bikes, as if the pedal was not perpendicular to the crank arm. It feels like the pedal is moving under my foot, although there is no ...
1
vote
1
answer
83
views
Can someone please give some advice to help find a new crankset?
I apologize in advance if I mix-up some lingo, I have almost no experience in fixing bicycle drivetrain.
Previously I had Comet CKM-7159 as crankset (I managed to find this datasheet that seem to ...
3
votes
1
answer
3k
views
How can I know if I need spacers for my bottom bracket / crank?
I am assembling a bike on my own and came a cross the topic spacers for bottom bracket/crank.
I am installing a Shimano FC-R7100 crank with the bottom bracket model SM-BBR60.
By taking a look at the ...
2
votes
1
answer
301
views
1 piece to 3 piece crank conversion
I wish to convert my 1 piece crank to a 3 piece crank. I have a conversion kit that presses into the bb shell and accepts a cartridge style bb. I went to order one and realized I have no idea what ...
0
votes
0
answers
58
views
What is the correct BB spindle length for Kooka cranks?
Does anyone know the correct square taper bottom bracket spindle length for an early 90s Kooka triple mountain bike crankset?
2
votes
1
answer
107
views
BB/Cranset creaking on/off
I'm having an issue with a creaking sound on a brand new bike (see video below). It seems to happen after 30+ min rides, you can faintly hear it when the pedals are spun backwards but this usually ...