For sale today a fast transition s-works specialized medium size, with 11 speed ultegra drive train, Dura ace shifters, fsa super light bb30 crankset 172,5mm, both seat post included straight and forward, prologo saddle, specialized integrated brakes. Zipp Vuka Carbon handle bar with integrated brakes. Super fast bike for triathlon. All you need to put on is your 11sp set of wheels and enjoy this fast machine.