Schwinn 405 Full Suspension Mountain Bike (26-Inch Wheels, Medium) All new Schwinn Active Link 4" or 5" adjustable travel frame SR Sun Tour XCM Fork with damped coil rear shock 24-speed Shimano Alivio rear derailleur with Acera rapid-fire trigger Bengal mechanical disc brakes Double wall alloy rims with double sealed alloy cassette rear disc hub with Kenda tires