Vortex 825C-39 CAT5 Aluminum Rear Sprocket 39-Tooth

The Vortex 825C-39 is a high-performance 39-tooth aluminum rear sprocket engineered for durability and lightweight performance. This sprocket features Vortex's CAT5 aluminum construction, which provides an excellent strength-to-weight ratio for improved acceleration and handling on sport and street motorcycles.

Key Features:

• 39-tooth count for optimized gear ratio
• Precision CNC-machined from high-grade aluminum alloy
• Patented tooth design increases sprocket longevity
• Strategic lightening holes reduce unsprung rotational mass
• Hard anodized finish for enhanced wear resistance
• Manufactured to exact OEM specifications for proper fitment

Vortex sprockets are designed with a unique tooth profile that maximizes chain engagement and extends service life. The lightweight aluminum construction reduces rotational mass for improved throttle response while maintaining the strength needed for demanding riding conditions. Each sprocket is precision-machined to ensure proper concentricity and balanced rotation.