Diamondback 2012 Overdrive Sport 29'er Mountain Bike (Blue) Butted 6061-T6 Aluminum Overdrive 29r Frame SR Suntour XCR-RL 29, oil damped w/remote speed lock, 100mm Fork Shimano Acera rear derailleur w/SLM-310 8spd rapidfire shifters SL-7 Double Wall Rims Tektro Draco Hydraulic Disc Brakes