Vortex 511ZK-51 520-Pitch 51-Tooth Rear Sprocket Kit

The Vortex 511ZK-51 is a high-performance rear sprocket kit designed for serious motorcycle enthusiasts and racers. This 520-pitch, 51-tooth rear sprocket features Vortex's patented tooth design that significantly extends sprocket life compared to standard designs.

Key Features:

• 51 teeth for 520-pitch chain applications
• 100% CNC-machined from 7075 T6 billet aluminum for optimal strength-to-weight ratio
• Patented saber tooth groove design increases durability and longevity
• Precision-engineered to the tightest tolerances in the industry
• Lightweight construction reduces rotational mass for improved acceleration
• Available in multiple finish options including anodized colors and PTFE black hardcoat

Manufactured by Vortex Racing, a U.S.-based company with over 15 years of experience producing premium motorcycle racing components. Each sprocket is tested on the track with direct feedback from professional race teams worldwide. The specialized alloy formulation and unique tooth profile provide superior power transfer while maximizing component lifespan. Ideal for road racing, track days, and high-performance street applications.