Vortex 828A-57 Silver 57-Tooth Aluminum Rear Sprocket

The Vortex 828A-57 is a lightweight, 57-tooth aluminum rear sprocket engineered for motorcycle racing and high-performance street riding. 100% CNC manufactured in the USA, this sprocket is built to exacting tolerances using a specially formulated alloy developed to Vortex's own specifications, delivering the strength and consistency demanded by serious riders and racers alike.

Key Features:

• Lightweight Aluminum Construction — Reduces rotating mass for improved throttle response and acceleration
• 100% CNC Manufactured in the USA — Precision machined for consistent quality and fitment
• Specially Formulated Alloy — Engineered per Vortex specifications for optimal strength-to-weight ratio
• Silver Anodized Finish — Corrosion-resistant coating extends service life
• Vortex Patented Tooth Design — Unique profile increases sprocket longevity and promotes smooth chain engagement
• 57-Tooth Configuration — Taller rear gearing for enhanced low-end torque and acceleration

Vortex Racing rear sprockets are a trusted choice among club racers and track-day enthusiasts who demand reliable, precision-crafted drivetrain components. The 828A-57 pairs with standard chain pitches and is designed as a direct performance upgrade over OEM rear sprockets.