Vortex 838C-39 Rear Sprocket Aluminum Sprockets - 39-Tooth

The Vortex 838C-39 is a high-performance 39-tooth rear sprocket engineered for exceptional durability and precision. Constructed from high-grade lightweight aluminum alloy, this sprocket delivers the perfect balance of strength and reduced rotational weight for improved acceleration and performance.

Key Features:

• 39-tooth configuration for optimized gearing ratios
• CNC-machined from aerospace-grade aluminum for superior accuracy
• Hard-anodized finish resists wear and corrosion
• Vortex patented tooth profile extends chain and sprocket life
• Precision-drilled mounting holes ensure perfect fitment
• Lightweight design reduces unsprung weight for better handling

Vortex sprockets are manufactured to the highest tolerances using advanced CNC machining processes, ensuring consistent quality and reliable performance. The hard-anodized surface treatment provides exceptional wear resistance while the lightweight aluminum construction improves throttle response and reduces stress on drivetrain components.