Motorcycle chains and sprockets Rear gear:34T--57T Thickness: 6.5-7.0mm Motorcycle model: Yamaha, Honda, Suzuki. Motorcycle chains and sprockets Material ... : A3 steel, 45# steelSpecificationsModel:415,420,428, ... , CB100, CD100, MB100, XL100, S110, CB125, CD125, CG125,TITN-99, TITAN-2000, TITAN-150, NX125, XL125, XLR125 ...