Vortex 828CZR-51 CZR Aluminum Rear Sprocket Sprockets - 51T

The Vortex 828CZR-51 is a 51-tooth CZR-series aluminum rear sprocket manufactured 100% in the USA by Vortex Racing. Precision CNC-machined from a specially formulated aluminum alloy to Vortex's exact specifications, this sprocket delivers the lightweight performance and tight tolerances that racers and performance street riders demand.

Key Features:

• 51-tooth rear sprocket for optimized acceleration and gear ratio tuning
• 100% CNC-manufactured in the USA from aerospace-grade aluminum alloy
• Silver anodized finish for corrosion resistance and long-lasting appearance
• Patented Vortex tooth profile design extends sprocket longevity beyond standard designs
• Machined to precise tolerances ensuring concentricity and smooth chain engagement
• Lightweight construction reduces rotating mass for improved throttle response

The 828CZR series is part of Vortex Racing's standard aluminum rear sprocket lineup, engineered to deliver race-proven performance in both track and high-performance street applications. Vortex's unique tooth geometry minimizes chain wear and maximizes power transfer efficiency.