Vortex 253AZB-45 Aluminum Rear Sprocket 45 Tooth

The Vortex 253AZB-45 is a high-performance aluminum rear sprocket featuring 45 teeth, designed to deliver optimal power transfer and reduced rotating mass for improved acceleration. This sprocket is precision-machined from 7075-T6 aluminum alloy, offering an excellent strength-to-weight ratio compared to steel sprockets while maintaining durability for street and track use.

Key Features:

• 45-tooth configuration for balanced acceleration and top speed
• Lightweight 7075-T6 aluminum construction reduces unsprung weight
• Blue anodized finish provides corrosion resistance and distinctive styling
• CNC-machined for precise fitment and optimal chain engagement
• Self-cleaning mud groove design helps prevent debris buildup
• Laser-etched tooth count and sizing for easy identification

Vortex sprockets are manufactured to strict tolerances and undergo rigorous quality control testing. The aluminum construction offers significant weight savings over stock steel sprockets, which can improve throttle response and handling characteristics. The hard anodized coating extends service life while adding a premium aesthetic touch to your drivetrain.