Vortex 641-57 Silver 57-Tooth Aluminum Rear Sprocket

The Vortex 641-57 is a silver, 57-tooth aluminum rear sprocket engineered for high-performance motorcycle applications. Designed as a stunt and performance sprocket, it is built to withstand the most demanding riding conditions while delivering reliable power transfer.

Key Features:

• 57-Tooth Design: Higher tooth count provides increased low-end torque and acceleration, ideal for stunt riding and aggressive street performance
• 7075 Aircraft-Grade Aluminum Construction: Premium alloy material formulated to Vortex's exacting specifications delivers an optimal strength-to-weight ratio
• Patented Tooth Profile: Vortex's unique tooth geometry is unlike any other sprocket on the market, engineered to extend sprocket longevity under heavy use
• Precision Machined: Each sprocket is precision machined to the tightest tolerances for smooth, consistent chain engagement
• Silver Finish: Clean, silver anodized finish offers corrosion resistance and a classic look
• Stunt-Ready Durability: Specifically designed to handle the extreme abuse of stunt riding at any RPM range

Vortex Racing has been a trusted name in high-performance motorcycle components since 1995, with products tested and proven by professional racers at the highest levels of competition. The 641-57 rear sprocket is available for most sportbike applications and is a direct bolt-on upgrade for riders seeking enhanced acceleration and performance.