Vortex 435ZR-42 Red 42-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 435ZR-42 is a 42-tooth, 520-pitch rear sprocket machined from lightweight CAT5 aluminum and finished in a bold red anodize. Designed for sport and performance motorcycle applications, this sprocket is engineered to deliver reduced rotating mass and improved drivetrain response compared to stock steel sprockets.

Key Features:

• 42 Teeth — 520 chain pitch rear sprocket
• CAT5 Aluminum Construction — Specially formulated alloy per Vortex specifications for an optimal balance of strength and weight savings
• 100% CNC Manufactured in the USA — Precision machined to exact tolerances for consistent fit and performance
• Patented Saber Tooth Groove Design — Vortex's unique tooth profile extends sprocket service life and improves chain engagement
• Red Anodized Finish — Color anodizing applied to the body with contrasting silver machine cuts on the sweeps, mud grooves, and teeth for a distinctive two-tone appearance
• Available in Multiple Colors — The 435ZR series is offered in red, blue, gold, and black (color availability varies by tooth count)
• Suitable for 520 OEM Applications and 520 Conversion Builds — Fits models running a standard 520-pitch chain or those converting from a larger pitch

The Vortex 435ZR-42 rear sprocket is a popular upgrade for riders looking to reduce unsprung and rotating weight without sacrificing durability. Its race-proven construction and American-made quality make it a trusted choice for both track and street performance builds.