Does claris R2000 crank arms can fit ultegra 6800 chainrings?
1 Answer
Claris - https://bike.shimano.com/en-US/product/component/claris-r2000/FC-R2000.html
Ultegra - https://bike.shimano.com/en-US/product/component/ultegra-6800/FC-6800.html
They have the same PCD and chain line which are the two measurements that show you whether the chainrings will sit correctly. I would be surprised if they weren't compatible based on this but I'm not 100% sure they are so take this with a grain of salt. Their Q-factors are different but I doubt most people would notice 3.4mm difference.
answered Jul 17, 2020 at 21:09
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Take a closer look at the branches. The Ultegra are thinner. There will be a step if you cross-fit them– CarelJul 18, 2020 at 7:43
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@Carel yes but they will likely fit, I think OP realizes that they won't match aesthetically Jul 21, 2020 at 2:29