Vortex 525AZR-37 CAT5 Aluminum Rear Sprocket 525 Pitch 37-Tooth Red

The Vortex 525AZR-37 is a CAT5 lightweight aluminum rear sprocket designed for serious street and track riders who demand precision, durability, and weight savings. Featuring a 525 chain pitch and 37 teeth, this sprocket is 100% CNC manufactured in the USA from a specially formulated alloy developed to Vortex's exact specifications.

Key Features:

• Lightweight CAT5 aluminum construction reduces rotating mass for improved acceleration and throttle response
• 100% CNC manufactured in the USA for tight tolerances and consistent quality
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Red anodized finish with contrasting silver machine cuts for a premium appearance and corrosion resistance
• Vortex patented unique tooth profile increases sprocket longevity and chain engagement
• 525 chain pitch — compatible with 525 series drive chains
• 37-tooth rear sprocket for fine-tuned gearing adjustments

Vortex Racing has been manufacturing top-quality motorcycle racing components in the USA for over 15 years, trusted by professional race teams worldwide. The CAT5 rear sprocket series is available in multiple tooth counts and colors to suit a wide variety of applications and personal preferences.