Vortex 170ZB-46 Aluminum Rear Sprocket 46T

The Vortex 170ZB-46 is a 46-tooth aluminum rear sprocket built to the exacting standards that have made Vortex Racing the go-to choice for professional race teams and serious street riders alike. Designed as a direct-fit replacement or performance upgrade, this sprocket delivers the ideal balance of lightweight construction and durability for demanding riding conditions.

Key Features:

• 7075-T6 Billet Aluminum Construction — Aerospace-grade alloy provides exceptional strength while dramatically reducing rotating mass compared to steel sprockets
• CNC Machined in the USA — Manufactured to tight tolerances for precise fitment and consistent performance
• 46-Tooth Configuration — Optimized tooth count for improved acceleration and throttle response
• Unique Tooth Design — Engineered for smooth chain engagement, reduced wear, and longer service life
• Anodized Finish — Corrosion-resistant surface treatment helps protect the aluminum from the elements
• Lightweight Design — Reduced rotating mass improves acceleration, deceleration, and directional changes

Vortex Racing has spent over 15 years developing and refining their sprocket lineup with direct feedback from top professional race teams worldwide. The 170ZB-46 rear sprocket represents that racing heritage in a bolt-on package suitable for both track and street use. Whether you're chasing lap times or simply refreshing your drivetrain, this sprocket delivers proven performance you can trust.