Vortex 425-37 Aluminum Rear Sprocket 37-Tooth

The Vortex 425-37 is a precision-engineered aluminum rear sprocket designed for 425 pitch chain applications. Featuring 37 teeth, this sprocket delivers reliable performance for sport bikes and smaller displacement motorcycles.

Key Features:

• 37-tooth configuration optimized for acceleration and top-end balance
• Precision CNC-machined from high-grade aluminum alloy for reduced rotating mass
• Manufactured to the tightest tolerances in the industry for perfect fitment
• Vortex patented tooth design increases longevity and reduces wear
• Induction-hardened and specially coated for enhanced durability
• Lightweight construction improves throttle response and reduces unsprung weight

Vortex Racing has been the choice of champions for over 15 years, with their sprockets powering winners in AMA Superbike, Sportbike, and professional racing series. Each Vortex sprocket is tested by top professional racers to ensure performance under the most demanding conditions.