Originally Posted by
Smartypants
Im looking at doing some 17.5 blinky racing can anyone confirm a small spur that fines ok and get get around 3.2 gearing on a 417v5? Never done blinky racing before :-S
Cheers
3.2 seems really low, you want about a 4.00 and work down from there.
I run a 3.88 with about a 90,92,94 64p spur