Vortex 436ZUV4-42 Aluminum Rear Sprocket 530 Pitch 42-Tooth Silver

The Vortex 436ZUV4-42 is a 42-tooth, 530-pitch aluminum rear sprocket designed for serious street and performance motorcycle riders who demand lightweight durability without sacrificing strength. Built to Vortex Racing's exacting standards, this sprocket is a direct-fit replacement that delivers measurable performance benefits over heavier stock steel units.

Key Features:

• 7075 T6 billet aluminum construction — aerospace-grade alloy delivers an exceptional strength-to-weight ratio
• 42-tooth, 530-pitch — matches OEM gearing specifications for compatible applications
• CNC machined in the USA — precision manufacturing to tight tolerances ensures accurate fit and smooth chain engagement
• Lightweight design reduces rotating mass for improved acceleration, deceleration, and directional response
• Silver anodized finish — corrosion-resistant surface treatment for lasting appearance and protection
• ZUV4 bolt pattern — engineered for specific hub fitment compatibility

Vortex Racing has been manufacturing top-quality motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track, and Minibikes for over 15 years. Every sprocket is tested with direct feedback from professional race teams worldwide, making this an ideal choice for both track and street applications.