awww damn you oneghost! i just ordered my gates carbon drive for the fixie im makin, now everyones gonna think i coppied ya! nice lookin bike btw, wish i had the cash for a rohloff.
Right length for a bike? That's what adjustable rear drop outs are fpr. IF it were to ever break for some reason, you'd just order another one from Gates or whoeve and slide it on.