Vortex 617ZR-43 CAT5 Steel Rear Sprocket 43T Red 520 Pitch

The Vortex 617ZR-43 is a CAT5 steel rear sprocket featuring 43 teeth in a striking red finish, designed for 520-pitch chain applications. Manufactured in the USA to exacting tolerances, this sprocket delivers the race-proven durability and precision that Vortex Racing is known for across road racing, supercross, and street performance applications.

Key Features:

• 43-tooth, 520-pitch rear sprocket for precise gearing tuning
• Carbon steel alloy construction per Vortex specifications for long-lasting durability
• Red electro-plated finish provides corrosion resistance and a bold appearance
• Patented unique tooth design increases sprocket longevity and reduces chain wear
• 100% CNC manufactured in the USA to tight tolerances for concentric, quiet operation
• Cupped profile between tooth ring and body reduces weight without sacrificing strength
• Hardened teeth maintain integrity over high-mileage use

The Vortex 617ZR-43 is an ideal upgrade or direct replacement for riders seeking improved performance and longevity over OEM sprockets. For best results, replace the front sprocket and chain simultaneously when installing a new rear sprocket.