Vortex 250ZB-31 Aluminum Rear Sprocket 31 Tooth

The Vortex 250ZB-31 is a precision-engineered aluminum rear sprocket featuring 31 teeth, designed to deliver lightweight performance and durability for motorcycle applications. Manufactured in the USA from aerospace-grade 7075-T6 aluminum alloy, this sprocket offers significant weight savings compared to steel alternatives while maintaining exceptional strength.

Key Features:

• CNC machined from 7075-T6 aluminum to tight tolerances for perfect concentricity
• Anodized finish prevents corrosion and adds durability
• Saber tooth groove design increases sprocket longevity
• Reduces rotating mass for improved acceleration and performance
• Iconic CAT5 design with distinctive machined appearance
• Significantly lighter than steel sprockets for reduced unsprung weight

Vortex aluminum sprockets are the racer's choice, trusted by professional teams in road racing, motocross, and flat track competition. The unique tooth profile design reduces friction and drag, extending both chain and sprocket life while freeing up horsepower. Each sprocket undergoes rigorous quality control to ensure maximum lightness and strength.

Maintenance Note: Aluminum sprockets require proper maintenance including regular chain cleaning and tension adjustment every 300-400 miles for optimal performance and longevity.