Three years old, used during surgery recovery. Cycle is in top shape and was meticulously maintained. Aluminum frame. Avid Mechanical disc brake. Shimano rim brake parking brake. 2 x 11 Shimano drive train, except "rear" derailleur which is an EDS OX 2.0 electric wireless. Electronic wireless shifting eliminates the inherent problems of cable routing to the crank arms and derailleur "out of adjustment" that plagues hand cycles. 11-42 tooth cog on drive wheel, 46-30 tooth chain wheels on crank. Comes with two bottle cages, mirror, rechargible lights, EDS derailleur charging cable, three new Panaracer tires, and spare tubes. Also comes with the original Shimano Ultegra cabled rear derailleur, cable, and shifter in a "spare parts box".