Vortex 671ZB-53 Aluminum Rear Sprocket 420 Pitch 53T Blue

The Vortex 671ZB-53 is a high-performance aluminum rear sprocket designed for 420 pitch chain applications. Manufactured from aerospace-grade 7075-T6 aluminum alloy, this 53-tooth sprocket delivers exceptional strength while significantly reducing rotational mass compared to stock steel sprockets.

Key Features:

• 53-tooth configuration for optimized gearing ratios
• 420 pitch chain compatibility
• Aerospace-grade 7075-T6 aluminum construction for maximum strength-to-weight ratio
• Blue anodized finish for corrosion resistance and distinctive appearance
• CNC-machined to tight tolerances for precise fitment and optimal power transfer
• Weight-reducing design minimizes unsprung mass for improved acceleration and handling
• Self-cleaning mud grooves help maintain chain engagement in adverse conditions

Vortex Racing sprockets are manufactured with the same precision components used by professional race teams worldwide. Each sprocket undergoes rigorous quality control testing to ensure it meets the demanding standards required for racing and high-performance street applications. The lightweight aluminum construction provides a noticeable improvement in throttle response and acceleration while maintaining the durability needed for demanding riding conditions.