Manufacturer Part#:RST-1800-44-GLD

Manufacturer Part#:CST-1307-14-2

scratch-resistant

Manufacturer part number: 129821

reduces transmission noise

Supersprox - Sprocket 17 Front BMW SI (CST-704-17-2) past type tag-Belts Manufacturer Part#:RST-1800-44-GLDDrive 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