Vortex 435ZBV4-42 Aluminum Rear Sprocket 42-Tooth 520-Pitch Black

The Vortex 435ZBV4-42 is a 42-tooth, 520-pitch aluminum rear sprocket finished in Vortex's signature black PTFE hardcoat anodize. Engineered for serious street and track riders, this sprocket delivers a measurable reduction in rotating mass compared to steel equivalents, contributing to improved throttle response, quicker acceleration, and more precise deceleration.

Key Features:

• 42-Tooth / 520-Pitch – direct-replacement sizing for compatible 520-chain drivetrain configurations
• 7075-T6 Billet Aluminum Construction – lightweight alloy machined to tight tolerances for strength and longevity
• Black PTFE Hardcoat Anodize – bonds to the aluminum surface to increase wear resistance and reduce chain friction
• 100% CNC Manufactured in the USA – precision machined to Vortex's exacting specifications
• Vortex Patented Tooth Design – unique tooth profile engineered to extend sprocket service life and improve chain engagement
• Corrosion-Resistant Finish – hardcoat anodize protects against the elements during track and street use

Vortex Racing has been a trusted name in motorcycle racing components for over 15 years, supplying professional race teams worldwide with drivetrain parts built to perform under the most demanding conditions. The 435ZBV4-42 rear sprocket is a proven upgrade for riders looking to reduce unsprung weight and sharpen drivetrain performance.