Originally Posted by
wgscott
The higher-end 48/31T crankset seems like an unusual gearing choice.
48-17=31, so it's the max spread on the crankset that their FD can handle if you don't want to sacrifice top end speed. (I know "nobody uses it" except that a 105 cadence on 48x11 is 37mph, which is very attainable) I'd definitely lean toward that set if I had this group.