Vortex 485-39 Silver 39-Tooth 520 Aluminum Rear Sprocket

The Vortex 485-39 is a silver anodized, 39-tooth aluminum rear sprocket designed for 520-pitch chain applications. Manufactured by Vortex Racing to precise tolerances, this sprocket delivers a reliable balance of lightweight performance and long-lasting durability for street and sport motorcycle riders.

Vortex's patented tooth profile geometry sets this sprocket apart from standard aftermarket options. The unique tooth design promotes smoother chain engagement, reduces wear on both the sprocket and chain, and helps extend the overall service life of the drivetrain. The aircraft-grade aluminum construction keeps unsprung and rotating weight to a minimum, contributing to improved throttle response and handling feel.

Key Features:

• 39-tooth rear sprocket for fine-tuning final drive gearing
• 520 pitch chain compatibility
• Silver anodized aluminum construction for lightweight performance
• Vortex patented tooth design for increased sprocket longevity
• Precision-machined for true concentricity and consistent chain engagement
• Made in the USA by Vortex Racing

Whether you're optimizing acceleration, top speed, or simply replacing a worn sprocket, the Vortex 485-39 is a proven upgrade trusted by riders and racers alike.