I hope he doesn't plan on doing any mountain biking.25/9 gives 72.1 GI on a 26 and 80.9 on a 29er.Also,the smallest ring for a standard 104 bcd crank is 32T.A 25 would have to be the granny on triple which looks odd without the bigger rings IMHO.
not scrod,just sayin'
Last edited by Build your own; 12-11-11 at 08:34 PM.