... steel, 16Mn OEM available Motorcycle Sprocket Wheel Motorcycle rear sprocket, motor sprocket, sprocket wheel, motorcycle sprocket wheel, motor sprocket wheel, inner sprocket, set ... 1. Galvanized or zinc plated;2. Chrome plating;3. Electrophoretic plating;4. sand blasting;5. dull polish ... ER125, FD115, FR100, GT50, GP100, GP125, GN125, etc.3. Sprocket Model For Yamaha:AG100, CRYPON, DX100, DT125, ...