Universal Tensioner Guide Wheel, Guide Pulley, Heavy Duty Chain Roller for Mini Bike Dirt Pit Moto ATV(Blue) - Product Features
- Inner diameter: 10mm
- Attached the swing arm; the chain then runs over it to keep it aligned
- Vary colors for you to choose
- Can also be used on gas petrol motorized bicycle conversions kits
- Dirtbike nylon chain roller wheel complete with heavy duty bearings ready to use
- Warranty not applicable for this product