... Duty Chain/Sprocket: The motorcycle 125cc or 150cc dirt bike uses a heavy duty chain and sprocket that calls ... of motorcycles,tricycles,scooters and ATV Parts, Dirt Bike Off-road Parts, Electric Bike Parts, Electric Scooter Parts and etc. Including ... Tyres, Motorcycle Rims, Plastics and Oil tank, Motor Bike Seats, Electric Bike Chains, Motorcycle Chains, Motorcycle Sticker Decal, Absorb Spring ...