Why? Belt drive motorbikes generate forces on the belt that are far greater than a human being could generate, not even Chris Hoy could match that. For the commuter I think it could work. Maybe even for the track as well, but that remains to be seen.
in that case, how long (or how many mileage) does it take for it to be replaced?
I really want a fixie inc. one thought!!
in that case, how long (or how many mileage) does it take for it to be replaced?