Vortex 920AZB-42 VTX Aluminum Rear Sprocket 42-Tooth 520 Pitch Black Anodized

The Vortex 920AZB-42 is a 42-tooth, 520-pitch aluminum rear sprocket engineered for performance street and track riding. 100% CNC manufactured in the USA, this sprocket is machined from a specially formulated aluminum alloy per Vortex's own specifications, delivering an ideal balance of lightweight performance and durability.

Key Features:

• 42-Tooth / 520 Pitch – direct-fit replacement or performance upgrade
• 7075-T6 Billet Aluminum – lightweight construction significantly reduces rotating mass compared to OEM steel sprockets
• Black Anodized Finish – hard anodized coating helps resist corrosion and surface wear
• 100% CNC Machined in the USA – manufactured to tight tolerances for precise fit and consistent performance
• Vortex Patented Tooth Design – unique tooth profile increases sprocket longevity and chain engagement
• Improved Drivetrain Response – reduced rotating mass enhances acceleration, deceleration, and directional changes

Vortex Racing has been a trusted name in motorcycle performance components for over 15 years, with products proven by top professional race teams worldwide. The 920AZB-42 rear sprocket is a proven upgrade for riders looking to shed unsprung weight and sharpen their bike's drivetrain feel.