Vortex 839AZR-40 Aluminum Rear Sprocket 40-Tooth

The Vortex 839AZR-40 is a lightweight aluminum racing rear sprocket designed for high-performance motorcycle applications. This 40-tooth sprocket is engineered to deliver the perfect balance of acceleration and durability for sport and racing motorcycles.

Key Features:

• 100% CNC manufactured in the USA for precise tolerances and consistent quality
• Constructed from specially formulated aluminum alloy per Vortex specifications
• Silver anodized finish prevents corrosion and extends service life
• Unique patented tooth design increases sprocket longevity compared to standard sprockets
• Lightweight construction reduces rotating mass for improved throttle response
• 40-tooth configuration provides balanced gearing for street and track use

Vortex Racing sprockets are precision-engineered using advanced CNC machining processes to ensure perfect fitment and optimal power transfer. The proprietary tooth profile design reduces chain wear while maximizing strength-to-weight ratio, making this an excellent choice for riders seeking both performance and reliability.