would an older Shimano 7900 left crank arm work with newer 6800 right crank?
01-03-15, 09:00 PM
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would an older Shimano 7900 left crank arm work with newer 6800 right crank?
or a 6600 or 6700 series arm on a 6800?
IE are the splines the same on all the hollowtech II cranks?
IE are the splines the same on all the hollowtech II cranks?
Last edited by bikebreak; 01-03-15 at 09:30 PM.
01-04-15, 02:33 AM
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According to the tech docs 5700, 5800, 6700, 6800, 7900, and 9000 are compatible. I'm not seeing any 1st generation 10-speed cranks listed.
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born2pdl
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09-13-15 02:25 AM
