Originally Posted by
BardSmith
So what kinda pinion sizes have you experimented with for 17.5?
Will take down to a 19t pinion (4.17FDR) so should cater for 17.5 blinky without any trouble. We only run 21.5 and 13.5 blinky classes here and they are no trouble so 17.5 should slot somewhere in the middle, probably a 22t or something.