Vortex 528AZR-37 Aluminum Rear Sprocket 37-Tooth 528 Pitch

The Vortex 528AZR-37 is a precision-engineered aluminum rear sprocket designed for high-performance motorcycle applications. This lightweight 37-tooth sprocket is manufactured from aerospace-grade aluminum, providing optimal power transfer while significantly reducing rotational mass compared to steel alternatives.

Key Features:

• 37-tooth configuration for precise gearing adjustments
• 528 pitch chain compatibility
• CNC-machined from high-strength aluminum alloy
• Drilled lightening holes reduce weight without compromising strength
• Hard-anodized finish for corrosion resistance and extended wear life
• Precision tooth profile ensures smooth chain engagement and reduced noise
• Laser-etched part number for easy identification

Vortex sprockets are manufactured to exacting tolerances and feature a patented tooth design that increases sprocket longevity. Ideal for street, track, and racing applications where weight savings and performance matter. Each sprocket is tested to ensure concentricity and proper fitment for reliable operation under extreme conditions.