Hi guys,
just got a quick question about frame geometry, I'm toying around with the idea of a custom frame but I'm always terrible at figuring out rear end length, i run 28t-9t gearing, but don't know if i can slam a 13" rear (25-9 probably can but i don't like that ).
do I need to go a little shorter than 13 to be able to slam 28-9 ?
Thanks
My FBM bike check