Vortex 642ZR-40 Aluminum Rear Sprocket 40-Tooth

The Vortex 642ZR-40 is a high-performance aluminum rear sprocket engineered for precision and durability in demanding riding conditions. This sprocket features 100% CNC machined construction with saber tooth grooves, using aerospace-grade aluminum that provides optimal power transfer and reduced rotational mass.

Key Features:

• 40-tooth configuration for precise gearing customization
• CNC machined from aerospace-grade aluminum alloy
• Saber tooth groove design for enhanced chain engagement
• Manufactured to tight tolerances ensuring concentricity
• Available with anodized finish or PTFE black hardcoat, which bonds to the aluminum to create a more durable surface with less friction
• Lightweight design reduces unsprung weight for improved handling

This sprocket delivers optimal power transfer which enhances acceleration and bike performance, using cutting-edge technology and premium materials for unparalleled reliability and longevity. Perfect for racers and enthusiasts seeking to fine-tune their motorcycle's gearing for improved acceleration or customize their drivetrain setup.