Vortex 452AZR-37 CAT5 Aluminum Rear Sprocket Red 37-Tooth 520 Pitch

The Vortex 452AZR-37 is a CAT5 aluminum rear sprocket featuring 37 teeth in a bold red finish with contrasting silver machine-cut highlights. Engineered for performance motorcycle applications running a 520 pitch chain, this sprocket is built to the demanding standards of Vortex Racing and delivers a lightweight, durable alternative to OEM and standard aftermarket sprockets.

Key Features:

• Lightweight CAT5 aluminum construction reduces rotating mass for improved throttle response and acceleration
• 100% CNC manufactured in the USA for precise tolerances and consistent quality
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Patented saber tooth groove design increases sprocket longevity and reduces wear
• Vortex patented sprocket profile unlike any standard sprocket design
• Available in multiple colors with contrasting silver machine-cut accents
• 37-tooth rear sprocket — ideal for top-speed tuning or restoring OEM gearing ratios
• Sold individually — quantity: 1 sprocket

The Vortex CAT5 rear sprocket line is a favorite among track day riders and road racers who demand performance components that look as good as they perform. The red anodized finish resists corrosion and adds a distinctive appearance to your drivetrain.