Vortex 170ZRV4-38 VTX Aluminum Rear Sprocket 38T

The Vortex 170ZRV4-38 is a lightweight aluminum rear sprocket from Vortex Racing's VTX series, engineered for riders who demand high performance on both the street and track. With 38 teeth, this sprocket is a precision-crafted replacement or upgrade option designed to reduce rotating mass and improve drivetrain responsiveness.

Key Features:

• 7075 T6 billet aluminum construction — aerospace-grade alloy for maximum strength-to-weight ratio
• 100% CNC machined in the USA to tight tolerances for precise fit and reliable performance
• Cat 5 anodized finish — electrically coated for a bright, durable, corrosion-resistant surface
• Vortex patent-pending sprocket design with saber tooth grooves for improved chain engagement and longevity
• 38 teeth — ideal for stock replacement or performance gearing adjustments
• Reduces rotating mass for improved acceleration, deceleration, and directional changes

Vortex Racing has been manufacturing top-quality motorcycle racing components in the United States for over 15 years. Their sprockets are trusted by professional race teams worldwide across Motocross, Supercross, Road Racing, and Flat Track disciplines. The 170ZRV4-38 delivers race-proven performance in a direct bolt-on package.