Vortex 245AV4-42 VTX Aluminum Rear Sprocket 42-Tooth

The Vortex 245AV4-42 is a 42-tooth aluminum rear sprocket engineered for performance motorcycle applications. Part of Vortex Racing's VTX aluminum sprocket lineup, this sprocket delivers a meaningful weight reduction over steel alternatives, helping reduce rotating mass for improved throttle response and drivetrain efficiency.

Key Features:

• 7075-T6 Billet Aluminum Construction – Aerospace-grade alloy provides an optimal balance of strength and low weight
• 42-Tooth Rear Sprocket – Designed for precise gear ratio tuning to suit a range of riding styles
• CNC Machined in the USA – Manufactured to tight tolerances for consistent fitment and long service life
• Anodized Finish – Hard anodizing protects the aluminum surface from wear and corrosion
• Reduced Rotating Mass – Lightweight design improves acceleration, deceleration, and directional changes
• Race-Proven Performance – Vortex sprockets are trusted by professional race teams across Motocross, Supercross, Road Racing, and Flat Track disciplines

Vortex Racing is a U.S.-based manufacturer with a long history of producing top-quality motorcycle drivetrain components. Each sprocket is precision machined and held to the strictest quality standards, making the 245AV4-42 a reliable upgrade for both track and street use.