ProTaper Race Spec (RS) Front Sprockets are CNC machined and internally broached to precise tolerances from case-hardened core-refined chromoly steel. Computer engineering ensures precise fitment optimal weight savings and perfect balance. The result is minimal chain drag maximum horsepower and uncompromising strength. A proprietary coating further reduces wear and corrosion yielding a front sprocket unparalleled in the market.

Features:

• Core-refined 655M13 nickel-chrome-molybdenum alloy steel
• Internally broached and precision-machined to exact tolerances
• Lightening holes to reduce rotating weight
• Self-cleaning mud grooves to prevent dirt buildup
• Specially-formulated coating to retain strength and aid in wear resistance