Vortex 154-63 520-Pitch Aluminum Rear Sprocket Silver 63-Tooth

The Vortex 154-63 is a 63-tooth, 520-pitch aluminum rear sprocket finished in a silver anodized coating. Designed and manufactured in the USA, this sprocket is built to race-grade standards and delivers the precision, durability, and weight savings that performance riders demand on both the track and street.

Key Features:

• Lightweight aluminum construction — reduces rotating mass for improved acceleration and throttle response
• 100% CNC manufactured in the USA — machined to the tightest tolerances for superior concentricity
• Specially formulated alloy per Vortex specifications for an optimal strength-to-weight ratio
• Silver anodized finish — corrosion-resistant coating for long-lasting appearance and protection
• Vortex patented unique tooth design — engineered to increase sprocket longevity and reduce chain wear
• 520 chain pitch — compatible with 520 chain applications
• 63-tooth count — high tooth count tuned for low-end torque and aggressive acceleration gearing

Vortex Racing has been the choice of professional racers and serious enthusiasts for over 15 years. Each sprocket is precision-engineered and induction-hardened to deliver stronger, quieter, and longer-lasting performance compared to OEM alternatives.