Pro Taper Race Spec 420 Front Sprocket

With the perfect balance of weight, strength and durability ProTaper Race Spec MX front sprockets have been CNC machined and internally broached to precise tolerances from case hardened core refined chromoly steel. Computer designed by engineers to ensure precise fitment and optimal weight savings while being perfectly balanced to allow minimal chain drag for maximum horsepower transfer without compromising strength. Finished with ProTaper's proprietary coating process to further reduce wear and corrosion result in a front sprocket that is unparalleled in the market.

• Core refined 655M13 nickel-chrome-molybdenum alloy steel
• CNC machined and internally broached to precise tolerances from case hardened core refined chromoly steel
• Specially formulated coating to retain strength and aide in wear resistance
• Computer designed to ensure precise fitment and optimal weight savings while being perfectly balanced to allow minimal chain drag for maximum horsepower transfer without compromising strength
• Lightening holes to reduce rotating weight
• Self cleaning mud grooves to prevent dirt build up
• Made in Taiwan