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Search: Posts Made By: Polaris OBark
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08-13-22, 09:32 AM
Replies: 24
Views: 1,069
Posted By Polaris OBark

Often, you don't have to. The 2.5mm chainline...

Often, you don't have to. The 2.5mm chainline increase is often within the adjustment window of the H-limit bolt. I have an Ultegra derailleur with a GRX crankset, which works fine, and perversely, a...
08-11-22, 02:27 PM
Replies: 24
Views: 1,069
Posted By Polaris OBark

JIS is one of the two "standards" for Square...

JIS is one of the two "standards" for Square Taper.

If it were me, I would get a GRX 46/30T crankset and a compatible Shimano BB. I have this on a bike where everything else is Ultegra, including...
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