Drive Chain Roller Slider Tensioner Guide Wheel 8mm ID for Chinese Dirtbike Pit Bike Mini Moto ATV

Super power Slider Tensioner: The dirtbike nylon chain roller wheel complete wIth poweful heavy duty bearings ready to use. Work efficiently: This part attached the the swing arm, the chain then runs over it to keep it aligned. Premium material guide pulley: The chain roller is made of rubber, metal materials, anti-rust, makes it has a long lifespan. Multifunction tensioner guide wheel: It not only can used for Chinese Dirtbike Pit Bike, but also can fit for Mini Bike Moto ATV. Size: Inner diameter--8mm/0.31", outside Diameter--3.5cm / 1.38". Please pay attention the size of the chain roller, ensure this product size meets your requirements.