Vortex 840ZR-37 Aluminum Rear Sprocket 37-Tooth 530-Pitch Silver

The Vortex 840ZR-37 is a lightweight aluminum racing sprocket featuring 37 teeth and 530-pitch compatibility. Manufactured 100% CNC in the USA from specially formulated alloy, this sprocket is designed for aftermarket wheel applications including BST and other performance wheel brands.

Key Features:

• 100% CNC manufactured in the USA from specially formulated alloy per Vortex specifications
• Silver anodized finish to prevent corrosion
• Unique tooth design increases sprocket longevity
• Vortex patented sprocket design unlike any other sprocket
• Sprocket dimensions: 5 mounting holes (10mm) with 100mm PCD and 76mm ID
• 530-pitch chain compatibility
• 37-tooth configuration for precise gearing adjustments

The 840 series sprockets are engineered for performance applications and offer significant weight savings over steel counterparts. The CAT5 design pattern provides optimal strength-to-weight ratio while the machined faces create the iconic two-tone appearance Vortex sprockets are known for. Ideal for road racing, sport riding, and performance motorcycles requiring 530-pitch chain systems.