Vortex 313-37 Aluminum Rear Sprocket 37T 420 Pitch Silver

The Vortex 313-37 is a lightweight aluminum rear sprocket engineered for motocross and off-road competition. Featuring a 37-tooth, 420-pitch configuration, this sprocket is precision-manufactured from a specially formulated alloy developed to Vortex's exacting standards, delivering the ideal combination of strength and weight savings demanded by serious riders.

Key Features:

• 37 teeth, 420 pitch — optimized gearing for small-bore MX applications
• Lightweight aluminum construction — reduces unsprung and rotating mass for improved handling and acceleration
• Vortex patented sprocket design — unique tooth geometry for smooth, precise chain engagement
• Specially formulated alloy — manufactured to Vortex's proprietary material specifications for durability
• Silver finish — corrosion-resistant anodized surface treatment
• Racing-grade precision — tight tolerances ensure proper concentricity and consistent chain alignment

Vortex Racing is a trusted name in powersports drivetrain components, supplying professional and amateur racers with high-performance sprockets. The 313-37 is a direct bolt-on replacement or gearing upgrade for compatible small-bore off-road motorcycles.