25H Chain Sprocket Motor Chain Sprocket Motor Sprocket 9T 25H Engine Pinion Gear Chain Sprocket H Shaped for MY1020 Motor Engine

High-concerned chemical : None Type : MTB Bike Freewheel Material : Alloy Gear Teeth : 12 - 18T Freewheel Speed : 1 Origin : Mainland China Components : Freewheel 1 : Motor Sprocket 2 : Motor Chain Sprocket 3 : 25H Chain Sprocket 4 : Motor Engine Pinion Gear 5 : 9T 25H Chain Sprocket 6 : Motor Accessory