All Questions
Tagged with bottom-bracket crankset
221
questions
5
votes
2
answers
3k
views
What types of BB-axle to crankarms interfaces are there?
On the lowest end, we have the taper/square interface. I believe it is standard i.e. there are no variations in the sizes.
image property of VP Components USA
Then there is the Octalink. Actually ...
1
vote
1
answer
134
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
122
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
82
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
435
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 ...
18
votes
6
answers
7k
views
Should square taper cranks be greased before installation?
There’s a fierce debate over whether the interface between a square taper spindle and crankarm should be lubricated or not. Adding to that, everyone seems to have their own take on the issue. Here’s ...
1
vote
1
answer
107
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 ...
21
votes
9
answers
49k
views
How to remove a crank arm with stripped threads?
A friend called me up yesterday after a mis-adventure during his attempt at a bottom bracket overhaul. He stripped out the threads on the (left) crank arm while using a Park crank puller. In a pinch, ...
1
vote
2
answers
826
views
SRAM S2200 - replacement BB30 spindle?
I'm having a hard time finding a replacement BB30 spindle for a SRAM S-2200 (X.0) crankset (originally fitted to a 2013 Specialized Enduro). I stripped the thread on the spindle, but I would like to ...
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 ...
2
votes
1
answer
108
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 ...
1
vote
1
answer
207
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
719
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 ...