Vortex 610ZR-37 Aluminum Rear Sprocket 37T 520 Pitch

The Vortex 610ZR-37 is a lightweight, high-performance aluminum rear sprocket featuring a 37-tooth count and designed for 520 pitch chain applications. Vortex is a leading manufacturer of precision-machined sprockets trusted by racers and street riders alike for their exceptional strength-to-weight ratio and consistent quality.

Key Features:

• 37 Teeth – Optimized tooth count for performance tuning of final drive ratio
• 520 Pitch Compatibility – Fits standard 520 pitch drive chains
• Lightweight Aluminum Construction – Significantly reduces unsprung rotating mass compared to steel sprockets
• Precision CNC Machined – Tight tolerances ensure smooth, consistent power delivery and extended chain life
• Hard Anodized Finish – Corrosion-resistant coating for durability in all riding conditions
• Direct OEM Replacement Fitment – Engineered to match factory mounting specifications

The Vortex 610ZR-37 rear sprocket is an ideal upgrade for riders looking to fine-tune acceleration, top speed, or overall gearing performance. Compatible with a wide range of sport bikes and motorcycles using a 520 chain conversion or OEM 520 setup.