Vortex 827-51 Silver 51-Tooth 530 Aluminum Rear Sprocket

The Vortex 827-51 is a silver, 51-tooth aluminum rear sprocket designed for 530-pitch chain applications. Built to race-proven standards, this sprocket delivers the precision, longevity, and lightweight performance that Vortex Racing has been known for since 1995.

Machined from aerospace-grade 7075 T6 billet aluminum, this sprocket is 100% CNC manufactured in the USA to the tightest tolerances in the industry. Vortex's patented saber tooth groove design and uniquely profiled teeth set it apart from standard sprockets, reducing wear and extending service life. Strategically placed lightening holes minimize rotating mass, helping to improve throttle response and overall drivetrain efficiency.

Key Features:

• 51 teeth — ideal for modified gearing and performance tuning
• 530 chain pitch compatibility
• 7075 T6 billet aluminum construction — lightweight yet durable
• 100% CNC machined in the USA for precise concentricity
• Vortex patented saber tooth groove design for extended sprocket life
• Lightening holes reduce rotating mass for improved throttle response
• Specially formulated alloy per Vortex specifications
• Silver anodized finish for corrosion resistance

Vortex rear sprockets are the choice of professional racers and performance-minded riders worldwide. The 827-51 delivers race-tested durability and precision in a lightweight package that is a direct upgrade over stock sprockets.