Vortex 525CZK-40 Aluminum Rear Sprocket 525 Pitch 40-Tooth Black

The Vortex 525CZK-40 is a lightweight aluminum rear sprocket designed for 525-pitch chain applications. 100% CNC-machined in the USA from a specially formulated alloy per Vortex specifications, this sprocket delivers the precision fit and durability demanded by both track riders and serious street enthusiasts.

Key Features:

• 525 Chain Pitch — designed to pair with 525-pitch drive chains
• 40-Tooth configuration for stock or performance-tuned gearing setups
• Premium aluminum construction — reduces rotating mass compared to steel sprockets, contributing to improved throttle response and rear-wheel power delivery
• 100% CNC-manufactured in the USA to the tightest tolerances
• Black anodized finish with machined accent highlights for corrosion resistance and a distinctive appearance
• Unique Vortex tooth design increases sprocket longevity and chain engagement
• Lightening holes further reduce rotating mass

Vortex Racing has been manufacturing top-quality motorcycle racing components since 1995. Each sprocket is built to race-proven standards and tested with direct feedback from professional race teams worldwide. The 525CZK-40 is an excellent choice for riders seeking a performance-oriented replacement or gearing upgrade on bikes equipped with 525-pitch drivetrain components.