Diamondback Response Sport Mountain Bike (2011 Model, 26-Inch Wheels) Diamondback 6061-T6 aluminum frame with formed top and down tubes SR Suntour XCM 120mm travel fork Shimano SL-M310 Rapidfire 8-speed shifters Tektro Novela Disc brakes with 6" rotors 32 spoke 26" wheels with Weinmann double wall alloy rims