1. According to the original factory specifications, the chain roller can perfectly fit for YFZ 350 Banshee 1987‑2006. 2. The pit bike rubber chain roller wheel bearings also fits most Chinese made dirt pit bikes 150cc. 3. Can be used for maintenance, replacement, refurbishment, spares and so on, better sprocket guiding performance for your car to solve your troubles. 4. Manufactured one to one according to the original model, perfectly fits the original car and can be directly replaced and installed without damage. 5. 8mm black lower chain roller kit uses high hardness rubber and stainless steel bearing material, more sturdy and . Specification: Item Type: Chain Roller Material: Rubber + Stainless Steel ID: Approx. 8mm/0.31in OD: Approx. 35mm/1.37in Height: Approx. 26mm/1.02in Color: Black Fitment: Fit for YFZ 350 Banshee 1987-2006 Fit for most Chinese made dirt pit bikes 150cc How to Use: Direct Replacement Installation packing list: 2 xChain Roller