C
cal
Guest
I am about to install a compact crank on a bike which has DA 9spd.
I'm going from 53/39 and 12/27 to 50/34 and keeping the 12/27. How do
I determine how much to shorten the chain?
Thanks,
Cal
I'm going from 53/39 and 12/27 to 50/34 and keeping the 12/27. How do
I determine how much to shorten the chain?
Thanks,
Cal