"SUB" mount stands for Stabilizer Under Bars

water-resistant gear cover

plus the Scotts damper mount -- two of the best units used by factory racing teams

such as aramid fiber used in the aviation industry

maintaining steering precision

Supersprox - Sprocket 14 Front Honda SI (CST-1323-14-1) includes-scottsdamper "SUB" mount stands for StabilizerDrive 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