All Questions
19
questions
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 ...
- 153
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 ...
- 113
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 ...
- 13
1
vote
1
answer
332
views
Crankset compatibility, old 105 SC to new Claris FC-RS200
My bike currently has an old 105 crankset. It's a 105 SC, from 1989. The rest of the components are Claris R2000.
I'd like to replace the crankset with a new one with smaller rings. I thought of the ...
- 11
1
vote
1
answer
196
views
Old Raleigh Marathon road bike with new Shimano 105 crankset – What bottom bracket is needed?
Hey guys first time poster. I have a Raleigh Marathon road bike and I am pretty sure it’s an ‘85. The crank arm has been falling off so I have decided to just replace the whole crankset. I have been ...
- 11
2
votes
1
answer
1k
views
Is a Hollowtech II BB compatible with an Octalink Crank? (Shimano Claris)
If I fit a Shimano Hollowtech II Bottom Bracket (Claris), can I still use my Octalink Claris crank?
- 23
6
votes
3
answers
654
views
30mm bottom bracket and 30mm spindle axle compatibility, should it go in by force?
I am not sure if this is a stupid question or not. Finding compatible parts is not so easy for MTB, after quite a search I found my bottom bracket shell is not so standard, PF107.
I bought a Rotor ...
- 123
2
votes
2
answers
2k
views
Replacing 1x SRAM chainset with a Shimano chainset
I've just got a Genesis Datum 2019 bike on clearance.
The spec wasn't exactly what I would want—for a start it has SRAM rather than the Shimano we have on other bikes in our household—but more ...
- 352
5
votes
3
answers
1k
views
Compatibility of 41mm x 107mm bottom bracket shell
Hi I have spent several days looking for a bottom bracket and crank. At this point it seems that there is nothing but 1 traditional pressfit bottom bracket and 1 crank that fit this shell. However, I ...
- 123
1
vote
1
answer
347
views
Italian bottom brackets and modern cranksets - a compatibility guide?
I have an Italian frame (presumably a Moser) which I chose to repurpose as a single-speed/fixie with parts from another Single-speed/fixie of mine, with the exception of the bottom bracket and ...
- 75
1
vote
1
answer
174
views
Can I swap in a 2x Shimano 600 FC-6400 crankset to replace a 3x RX-100 crankset?
I have a 2x Shimano 600 FC-6400 crankset. Can I just replace the 3x RX-100 crankset with it? Will I need a new BB?
- 11
1
vote
0
answers
111
views
Which crankset standard will fit in my bottom bracket?
I have a bike with a press fit bottom bracket. Unfortunately, my existing crankset has too long of a spindle, and will not fit.
Measurements of note:
bottom bracket shell width: 62 mm.
outside ...
- 7,846
3
votes
2
answers
3k
views
Road chainring rubbing on frame
Problem
My chainring is rubbing on the right, rear chainstay when I attempted to install my crankset.
Frame: Trek 520 Disc (54 cm)
Crankset: Shimano 105 FC-R7000 (52/36, 170mm)
Bottom Bracket: ...
1
vote
2
answers
249
views
Misc bottom backet and crankset questions [closed]
I am planning to upgrade a few of my bikes .. some due to faulty BBs and some just to upgrade the crankset. Here are the questions I have:
1) Road vs MTB
I read from the another post about Road vs ...
- 303
1
vote
3
answers
461
views
Can a Mamachari be fitted with an 11 speed 52-36T crankset and FD?
I would like to upgrade this bike with a better and faster crankset, 52-36T, but I'm confused if my planned setup will be compatible with the bike I have. I have consulted in our local bike shop and ...
- 313