Vortex 841ZR-37 Z-Racer Aluminum Rear Sprocket 37 Tooth

The Vortex 841ZR-37 Z-Racer rear sprocket delivers premium performance and durability for serious riders. Precision CNC-machined from 7075-T6 aluminum alloy, this lightweight sprocket offers exceptional strength while reducing rotating mass for improved acceleration and handling.

Key Features:

• 37-tooth configuration for optimized gearing
• 7075-T6 aluminum construction for superior strength-to-weight ratio
• CNC-machined for precise tolerances and perfect chain alignment
• Hard-anodized finish for enhanced wear resistance and longevity
• Self-cleaning mud grooves prevent debris buildup
• Weight-reducing design without compromising durability
• Direct OEM replacement for easy installation

Vortex Z-Racer sprockets are engineered for riders who demand the best combination of performance, quality, and value. The hard-anodized surface treatment significantly extends sprocket life compared to untreated aluminum, while the precision machining ensures smooth, quiet operation and optimal power transfer.