Vortex 839AZBV4-46 VTX Aluminum Rear Sprocket 46-Tooth

The Vortex 839AZBV4-46 is a 46-tooth aluminum rear sprocket built to the exacting standards that have made Vortex Racing the preferred choice of professional motorcycle racing teams worldwide. Engineered for performance street and track riding, this sprocket delivers meaningful weight savings over steel alternatives while maintaining race-proven durability.

Key Features:

• Lightweight construction — CNC-machined from a specially formulated aluminum alloy per Vortex specifications, reducing rotating mass for improved throttle response and acceleration
• 100% CNC manufactured in the USA — precision machined to the tightest tolerances in the industry
• Silver anodized finish — protective coating applied before machining to create the iconic two-tone look while guarding against corrosion and oxidation
• Unique patented tooth design — Vortex's proprietary tooth profile increases sprocket longevity and optimizes chain engagement
• 46 teeth — provides a higher rear sprocket ratio for improved low-end torque and quicker acceleration

Vortex Racing has been manufacturing top-quality motorcycle drivetrain components in the USA for over 15 years, with direct feedback from professional race teams. The 839AZBV4-46 rear sprocket is a direct bolt-on upgrade that delivers race-tested performance for both street and track applications.