Vortex 920ZR-37 VTX Aluminum Rear Sprocket Chain Sprockets - 37-Tooth 520

The Vortex 920ZR-37 VTX Aluminum Rear Sprocket is a high-performance replacement rear sprocket engineered for serious motorcycle and sportbike applications. Manufactured from aerospace-grade 7075-T6 aluminum alloy, this sprocket delivers an exceptional strength-to-weight ratio, reducing unsprung rotational mass for improved throttle response and acceleration.

Key Features:

• Material: Lightweight 7075-T6 aluminum construction for reduced rotating mass
• Tooth Count: 37 teeth for optimized final drive gearing
• Chain Pitch: 520 chain pitch compatibility
• Hard anodized finish for superior wear resistance and corrosion protection
• CNC machined to tight tolerances for precise fit and consistent performance
• Lightening cutouts reduce overall sprocket weight without sacrificing structural integrity
• Direct OEM replacement bolt pattern for straightforward installation

Vortex Racing is a trusted name in the powersports industry, known for producing precision-machined drivetrain components used by professional racers and enthusiasts worldwide. The 920ZR-37 is a direct-fit sprocket designed as a performance upgrade or OEM replacement, making it an ideal choice for track days, racing, and aggressive street riding.