Vortex 528AZB-37 CAT5 Aluminum Rear Sprocket 525 Pitch 37 Tooth Blue

The Vortex 528AZB-37 is a premium CAT5 aluminum rear sprocket designed for motorcycles using 525-pitch chain. This 37-tooth sprocket combines lightweight construction with race-proven durability, making it an ideal upgrade for street and track applications.

Key Features:

• 100% CNC machined from aerospace-grade aluminum alloy per Vortex specifications
• Blue hardcoat anodized finish for corrosion resistance and distinctive appearance
• Patented tooth design increases sprocket longevity compared to standard designs
• Precision-manufactured in the USA to ensure concentricity and proper chain alignment
• Lightening holes reduce rotating mass for improved throttle response
• 525 pitch, 37 teeth configuration

Vortex Racing sprockets are engineered to the tightest tolerances using premium materials and are tested on the track with feedback from professional race teams worldwide. Each sprocket is manufactured to ensure maximum durability while reducing weight compared to OEM steel sprockets.