Vortex 211ZR-51 Silver 51-Tooth Aluminum Rear Sprocket

The Vortex 211ZR-51 is a 51-tooth silver anodized aluminum rear sprocket designed for high-performance motorcycle applications. Engineered by Vortex Racing — a U.S.-based manufacturer with deep roots in Motocross, Supercross, Road Racing, Flat Track, and Minibike competition — this sprocket delivers race-proven quality for both track and street use.

Key Features:

• 51-Tooth Rear Sprocket — increased rear tooth count for enhanced low-end acceleration and improved torque delivery
• Lightweight Aluminum Construction — reduces rotating mass for improved throttle response and overall performance
• Silver Anodized Finish — corrosion-resistant anodizing protects the aluminum surface and maintains appearance
• 100% CNC Machined — manufactured in the USA to tight tolerances for precise concentricity and consistent fit
• Vortex Patented Tooth Design — unique saber tooth groove profile increases sprocket longevity and reduces chain wear
• Lightening Holes — strategically placed cutouts further reduce weight without sacrificing structural integrity
• Specially Formulated Alloy — aluminum alloy selected and formulated to Vortex's exact specifications for optimal strength-to-weight ratio

The 211ZR-51 is part of Vortex Racing's trusted rear sprocket lineup, developed with direct feedback from top professional race teams worldwide. Whether you're chasing lap times on the track or looking for a performance upgrade on the street, this sprocket delivers reliable, race-quality drivetrain performance.