Fittment:520 Chain Rear Sprocket Replacement for Honda CRF250 R 2004-2010; CRF450 L 2019-2022; CRF450 RL 2021-2025; CRF450 X 2005-2025.
Product Size: Teeth: 51 Tooth/ Mounting Hole Distance (center to center, bolt hole circle): 125mm (4.9 inch)/ Center Hole Diameter: 153mm (6.02 inch)/ Mounting Hole Diameter: 8.5mm (0.33 inch).
Materials:The drive sprocket gear is made from high-quality steel, processed treatment of electrophoretic black after heat treatment, with excellent corrosion resistance and then heat-treated for a harder, stronger, and longer-lasting composition.
Highly Efficient: XYRVICT chain sprocket is precision engineered to provide excellent chain grip. This helps drive efficiency so your motorcycle chain stays stable and consistent as you ride.
Features: The rear drive chain sprocket is an important part of the drive system, our sprocket helps reduce friction when the chain turns on the sprocket teeth. This helps prevent premature chain wear and prolongs its lifespan.