Perfect driving bike to either relieve into the sport of road cycling without the huge sticker shock or to just to as a commuter bike. It is a Trek 2.1 Pilot with Shimano 105 shifter and front derailleur and Shimano back derailleur. Bontrager choose wheels and crank. Walking stick Creek SCR-3L brakes.It has actually been a fantastic bike with limited quantity of miles on it. It is either a 50 or 52 in size. Asking $300 OBO