Supersprox - Sprocket 40 Rear Yamaha Black (RST-857-40-BLK) import_date_2026-01-19 500-lumen and XL Pro 4

500-lumen and XL Pro 4

Use: Sand and Mud Terrain

**This replacement battery is sold as an individual unit

Pre-curved 3D design for better fit and function

Supersprox - Sprocket 40 Rear Yamaha Black (RST-857-40-BLK) import_date_2026-01-19 500-lumen and XL Pro 4Drive Sprocket Front Drive Sprocket Supersprox front sprockets are the best on the market today, with a balance between performance and longevity. Features SCM435 Ni Chrome Molybdenum low corrosion steel. Case hardened surface for maximum water resistance. Low carbon core to prevent breakage. Has the ultimate combination of strength and hardness. Rear Drive Sprocket (many style available) Stealth Sprocket (aluminum & steel) Longer system life without