Diamondback Overdrive Comp 29'er Mountain Bike (29-Inch Wheels) Overdrive 29" butted 6061-T6 aluminum frame with formed top and down tube and integrated head tube SR Suntour XCR-LO 29 100mm travel fork with speed lock lever and rebound adjust Shimano SL-M310 Rapidfire 8-speed shifters Tektro DRACO hydraulic disc brakes with 6" rotors 32 spoke 29" wheels with Weinmann SL-7double wall alloy rims