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A mate wants to fit one of the new 10spd doubles (a 26/38 SLX or XT) to his Shimano 9spd bike.
Questions:
- does it need a 10spd double-specific front mech? If so, will this work okay with a 9spd LH shifter? Or will it be okay with a 9spd double mech?
- will the rings be okay with a 9spd chain, or will they need spacing out a tad? Or should I just fit a 10spd chain?
my girlfriend has a 10speed xt chainset, running fine with 9speed slx everything else.
no issue what so ever
ta.
Perhaps the only thing worth checking is the Q factor (width between the crank arms.
I put a 2X10 XTR on my full sus last year and the drive side is very close to the chainstay.
This may just be down to it being XTR - ymmv