Vortex 635ZR-38 Red 38-Tooth 520-Pitch CAT5 Aluminum Rear Sprocket

The Vortex 635ZR-38 is a 38-tooth, 520-pitch CAT5 aluminum rear sprocket finished in a vibrant red anodized coating. Precision-engineered for street and performance riders, this sprocket delivers an ideal balance of lightweight construction and long-term durability as a direct OEM replacement or for use in a 520-pitch conversion setup.

Key Features:

• 520 Chain Pitch — Compatible with standard 520-pitch chains; suitable for OEM replacements and 520 conversions
• 38-Tooth Rear Sprocket — Optimized tooth count for stock-equivalent or slightly modified gearing configurations
• CAT5 Aerospace-Grade Aluminum Construction — CNC-machined from high-strength aluminum alloy for a significant weight reduction over steel
• Red Anodized Finish — Electrically coated with a vibrant red Cat 5 anodized finish for corrosion resistance and visual appeal
• Vortex Saber Tooth Groove Design — Patented tooth profile promotes smooth chain engagement and extends sprocket service life
• 100% CNC Machined — Manufactured to precise tolerances for concentricity and quiet, efficient power transfer

The Vortex 635ZR-38 is trusted by performance riders and racers who demand reliable drivetrain components. It pairs perfectly with a matching Vortex front sprocket and 520-pitch chain for a complete, high-performance drivetrain upgrade. MPN: 635ZR-38