Neil G
Old School Grand Master
andrewl":3efp8yfw said:P20":3efp8yfw said:39t outer??
Useful on some courses, but if you are using a 39T as the big ring you may as well ditch the small one and run a single ring up front like a lot of racers at the last world champs.
Exactly

I think the big S are going to go 2x10 through all their groupsets too