Originally Posted by
khatfull
Is that 130mm spacing on that 8 speed or 126mm? If 130mm there'd be no reason you couldn't shift 10 speed. If 126mm, and you have to be that careful of the tension, there might not be enough pull for 9-10 speed?
Have you seen 8 cogs in 126mm spacing? I haven't.
BarCons shift over 8sp without a hitch. 6/8 speed is better than 7/9/10, but they'll do it all.