Vortex 338CZK-51 CAT5 Rear Sprocket 520 Pitch 51 Tooth

The Vortex 338CZK-51 CAT5 rear sprocket combines lightweight aluminum construction with precision CNC manufacturing for superior performance on the track or street. This 520 pitch rear sprocket features 51 teeth and is engineered to reduce rotating mass while delivering maximum power transfer to the rear wheel.

Key Features:

• 51 tooth count for optimized gear ratio tuning
• 520 pitch chain compatibility
• CNC machined from aerospace-grade aluminum alloy
• Lightweight design reduces unsprung weight and rotating mass
• Hardened teeth for extended durability and wear resistance
• Manufactured in the USA to exacting tolerances
• Zinc-plated finish for corrosion resistance
• Vortex patented tooth design for longer sprocket life

Vortex Racing sprockets are the choice of professional racers worldwide, tested and proven in demanding race conditions including Supercross, Motocross, and Road Racing. The CAT5 series sprockets feature precision machining and quality materials that ensure reliable performance lap after lap. The lightweight aluminum construction aids in putting more power to the pavement by reducing rotational inertia.