SE Draft Lite Fixed Single Speed Road Bike Frame: Urban Single Speed Design, Hi-Ten, Water Bottle & Fender Mounts, All Sizes Can Barspin Fork: Straight Leg w/ Fender Mounts Hubs: SE High Flange Alloy Fixed/Free 36H hubs w/Alex DC-25 Double Wall rims, 16T Freewheel & 15T Fi Crankset: SE Alloy, Euro Cartridge BB, 42T Tires: Kenda Kwest, 700x28c