Vortex 202ZK-51 Steel Rear Sprocket 51-Tooth

The Vortex 202ZK-51 is a 51-tooth steel rear sprocket engineered for motorcycle applications where durability and precise power transfer are paramount. Vortex Racing is a trusted name in the powersports industry, producing sprockets to exacting tolerances for both street and competition use.

This sprocket is manufactured from high-quality steel, offering excellent wear resistance and longevity compared to aluminum alternatives. The ZK series features Vortex's precision-cut tooth profile, which promotes smooth chain engagement, reduces drivetrain noise, and extends both chain and sprocket life.

Key Features:

• 51-Tooth rear sprocket for modified gearing ratios
• Constructed from high-strength steel for superior durability and wear resistance
• Precision-machined tooth profile for smooth, reliable chain engagement
• Designed for direct OEM-style fitment with no modifications required
• Manufactured by Vortex Racing, a leading brand in performance drivetrain components

Upgrading to a higher tooth-count rear sprocket like the 51T provides increased acceleration and reduced top speed — ideal for tight circuits, technical riding, or stop-and-go environments. The Vortex 202ZK-51 delivers the reliability and precision riders expect from a premium aftermarket sprocket.