Originally Posted by
Dosu
Okay, so it all depends on whatever crank I get will need 144 or 151 bcd, but about the bb, if my frame takes english 68, how do I figure out if it would need like 103mm 108 ect, so the chain is inline
you said it right. It all depends on the crank.
Find the crank you want first then worry about the other stuff.
Once you've got your crank, you'll know what BCD chainrings to get, and you can consult velobase.com or ask here about what BB length you need.