Vortex 522ZB-37 CAT5 Aluminum Rear Sprocket 522 Pitch 37-Tooth Black

The Vortex 522ZB-37 is a 37-tooth, 522-pitch black anodized aluminum rear sprocket from Vortex Racing's CAT5 series. Designed for performance street and track riders who demand precision, this sprocket is 100% CNC-machined in the USA from aerospace-grade aluminum alloy, delivering an ideal balance of strength and weight savings.

Vortex's CAT5 aluminum rear sprockets are engineered to reduce rotating mass compared to steel alternatives, helping put more power to the ground and improving throttle response. The black anodized finish provides corrosion resistance and a clean, aggressive look that complements any motorcycle.

Key Features:

• Chain Pitch: 522
• Tooth Count: 37 teeth
• Finish: Black anodized aluminum
• Construction: 100% CNC-machined from aerospace-grade aluminum alloy
• Patented tooth profile engineered for extended sprocket life and smooth chain engagement
• Reduces rotating mass for improved acceleration and throttle response
• Manufactured in the USA to precise tolerances

The Vortex 522ZB-37 rear sprocket is a direct-fit performance upgrade suitable for a wide range of sport and street motorcycles running a 522-pitch chain. Pair with a matching Vortex front sprocket and 522 chain for optimal performance and longevity.