Vortex 825CZR-51 Aluminum Rear Sprocket 51-Tooth

The Vortex 825CZR-51 is a high-performance 51-tooth aluminum rear sprocket designed for serious riders and racers who demand precision and durability. Manufactured by Vortex Racing, a U.S.-based company with over 15 years of experience supplying top-tier motorcycle racing components, this sprocket delivers race-proven performance for street and track applications.

Key Features:

• 100% CNC machined in the USA from aerospace-grade 7075-T6 aluminum alloy for exceptional strength and precision
• Lightweight construction reduces rotating mass for improved acceleration and throttle response
• Patented tooth design with saber tooth grooves increases sprocket longevity and chain engagement
• Strategic lightening holes further reduce weight without compromising structural integrity
• Anodized finish provides superior corrosion resistance and lasting durability
• Manufactured to the tightest tolerances in the industry for optimal concentricity
• Compatible with 520 or 525 pitch chains depending on application

Vortex sprockets are the choice of professional race teams and championship riders worldwide, tested and proven in Motocross, Supercross, Road Racing, and Flat Track competition. The precision manufacturing ensures this aluminum sprocket delivers a lifespan that rivals many steel alternatives while providing significant weight savings over OEM components.