Vortex 170ZK-49 VTX Aluminum Rear Sprocket 49-Tooth

The Vortex 170ZK-49 is a 49-tooth aluminum rear sprocket from Vortex Racing's VTX series, designed for performance-oriented motorcycle applications. Vortex Racing is a U.S.-based manufacturer with over 15 years of experience producing top-quality motorcycle racing components, owned and operated by motorcycle racers and enthusiasts who focus on absolute quality — making each race component to the tightest tolerances with the best quality materials in the industry.

Key Features:

• 49-Tooth Rear Sprocket — fine-tuned tooth count for optimized gear ratio and acceleration
• 7075 T6 Billet Aluminum Construction — lightweight material engineered for reduced rotating mass
• Lightweight design improves acceleration, deceleration, and directional changes
• Specially formulated alloy per Vortex specifications with a patented sprocket design unlike any other
• Available with PTFE black hardcoat finish option, which bonds to the aluminum to create a more durable surface with less friction
• ZK series mounting pattern for precise, secure fitment

Vortex tests their components on the track with direct feedback from top professional race teams worldwide, and their parts have been put to the test by some of the world's most respected champions and teams. The 170ZK-49 is an ideal upgrade for riders seeking a lightweight, race-proven rear sprocket without sacrificing durability.