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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 ...
Lucas Myers's user avatar
2 votes
1 answer
343 views

Spec sheet on Shimano FC-C201 seemingly does not match my bike

Trying to find a replacement for my FC-C201 crankset: I found (what I think is) the spec sheet here. The relevant section is here: However, my chainring has 48 teeth while the spec sheet says it ...
Lucas Myers's user avatar
6 votes
1 answer
252 views

Is an Ultegra Shimano left side FC-R8000 crank arm compatible with newer Shimano Ultegra R8100?

I’m buying a new bike with Utegra Di2 R8100 group set. It doesn’t have a power meter. I have a power meter on my older bike with Ultegra R8000 group set. Is an Ultegra Shimano left side FC-R8000 crank ...
Jay's user avatar
  • 61
2 votes
3 answers
589 views

Is a Shimano GRX FC-RX600 crankset compatible with Shimano Claris groupset?

I'm rehabilitating a cheap gravel bike. I'd like to alter a Shimano Claris 2400 groupset so I have at least a 1x1 lowest gear or preferably a bit better. I'm somewhat inexperienced, having replaced ...
Maple's user avatar
  • 105
1 vote
1 answer
108 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 ...
stativ's user avatar
  • 113
0 votes
2 answers
88 views

Remove 7- or 8-speed chainrings from Shimano/SRAM/Sunrace crankset and use on 3x9 speed Samox/Shimano drivetrain?

I have 3x9 gearing on my touring bicycle. I've got a Shimano Acera friction shifting front derailleur and an Alivio rear derailleur. The rear cassette is a Shimano 11-36T. The front crankset appears ...
Habib Ross's user avatar
1 vote
1 answer
303 views

Replacing SRAM Apex 1x with Shimano GRX 1x

I have a SCOTT GRAVEL Expert with SRAM APEX 1x10 crankset. The crank is similar to this bike. I've been looking for a GXP power meter but they are difficult to find in both the used market and new, ...
Genesis_GDK's user avatar
1 vote
1 answer
589 views

SRAM Rival Crankset with Shimano Chain

I want to upgrade the crankset on my gravel bike. Currently I have square-taper Ty501-2 crankset with reduced axle length (123 -> 113mm) to give ~44mm chainline compatible with the road FD (...
Grogi's user avatar
  • 133
0 votes
2 answers
86 views

mountain double recommendations for a 36/24 170 - 172.5 cranks

I'm looking to convert a 1x10 Mtb of mine into to a 2x10. The gear ratio im intent on is 36/24 with an 11-40 cassette. I owned another bike years ago with this gearing and im looking to replicate it ...
Toph McGoph's user avatar
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 ...
kazaker's user avatar
  • 13
3 votes
1 answer
232 views

Can I replace Shimano 105 FC-5501 crankset with Ultegra FC-R8000

I have an old Cervelo One from 2000 with Shimano 105 drivetrain including a FC-5501 crankset. I'm looking to add power metering to the bike and there is a Ultegra FC-R8000 available with a 4iiii power ...
Todd Clark's user avatar
2 votes
1 answer
3k views

Can I exchange my 105 r7000 crankset for a r7100 crankset?

Currently running a full 105 r7000 group on my bike. I would like to swap my existing 172.5mm 105 r7000 crankarms for 165mm ones. They seem to be very hard to come by, especially the right one, so I ...
Sean's user avatar
  • 21
5 votes
2 answers
527 views

XTR 9100 left power meter on XT 8100 crankset

Can I put a stages XTR 9100 left side power meter on a XT 8100 crankset? Seems like it should work, but haven’t found a clear yes answer.
Hannes Hertach's user avatar
1 vote
1 answer
141 views

Shimano chainring compatibility

The middle chainring on my bike needs to be exchanged and I can't find a dealer that carries the parts or would even be able to order them from their wholesaler. From all I can tell my crankset is an ...
Steven's user avatar
  • 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 ...
elcye's user avatar
  • 11

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