... A3 steel, 45# steel, 16Mn OEM available Motorcycle Sprocket And Chain Kit Motorcycle rear sprocket, motor sprocket, sprocket wheel, motorcycle sprocket ... , FR100, GT50, GP100, GP125, GN125, etc.3. Sprocket Model For Yamaha:AG100, CRYPON, DX100, DT125, FS80, GT50, JUPITER Z, JUPITER ... MX, RD50, RS100, RX100, RXK, etc.4. Sprocket Model For Kawasaki: DAELIM LIBERTY, ENG DAELIM, ALTINO 100, GTO125, KAZE-R ...