Vortex 317ZK-50 Rear Racing Sprocket 50 Tooth

The Vortex 317ZK-50 is a high-performance rear racing sprocket engineered for serious riders who demand precision and durability. Featuring a 50-tooth configuration, this sprocket is manufactured from premium 7075-T6 aluminum alloy, providing an optimal balance of strength and lightweight performance.

Key Features:

• 50-tooth rear sprocket design for optimized gearing
• 7075-T6 aluminum construction for exceptional strength-to-weight ratio
• Zinc plating (ZK) provides superior corrosion resistance
• CNC-machined for precise tooth profile and consistent performance
• Self-cleaning mud grooves help maintain chain engagement
• Lightening holes reduce rotating mass without sacrificing strength
• Compatible with 520 pitch chains

Vortex racing sprockets are designed to meet the demanding requirements of track and performance street riding. The precision manufacturing process ensures proper chain alignment and extends both chain and sprocket life. Each sprocket undergoes strict quality control to deliver race-proven reliability.