Vortex 526ZK-37 CAT5 Rear Sprocket 37-Tooth 525-Pitch Black

The Vortex 526ZK-37 CAT5 rear sprocket combines race-proven performance with exceptional durability for motorcycles running 525-pitch chain systems. This 37-tooth aluminum sprocket features Vortex's signature black hard-anodized finish for extended wear life and corrosion resistance.

Key Features:

• 37-tooth configuration for 525-pitch chain systems
• CAT5 lightweight aluminum construction reduces rotating mass
• 100% CNC manufactured in the USA to precise tolerances
• Black hard-anodized finish for maximum durability and corrosion protection
• Patented Vortex tooth design increases sprocket longevity
• Specially formulated aluminum alloy per Vortex specifications
• Race-tested design trusted by professional riders

Vortex CAT5 sprockets are precision-engineered to deliver superior concentricity, reduced vibration, and quieter operation compared to standard sprockets. The advanced tooth profile distributes load more evenly, minimizing wear on both the sprocket and chain. Ideal for riders seeking reliable performance whether on the track or street.