Vortex 525AZK-41 Black 41-Tooth 525-Pitch Aluminum Rear Sprocket

The Vortex 525AZK-41 is a 41-tooth, 525-pitch black anodized aluminum rear sprocket designed for performance street and racing motorcycle applications. Manufactured in the U.S.A. by Vortex Racing, this sprocket is CNC-machined from a specially formulated aluminum alloy and finished with a CAT5 black anodize for corrosion resistance and a clean, aggressive appearance.

Key Features:

• 41-Tooth / 525 Pitch — direct-fit replacement or performance upgrade for 525-chain drive systems
• CAT5 Black Anodized Aluminum — lightweight construction with durable anodized finish for corrosion resistance
• 100% CNC Machined — manufactured in the U.S.A. to tight tolerances from a specially formulated aluminum alloy per Vortex specifications
• Patented Tooth Design — Vortex's unique tooth profile increases sprocket longevity and promotes smooth chain engagement
• Lightening Cuts — strategically placed to reduce unsprung rotational weight without sacrificing strength

Vortex Racing has over 15 years of experience manufacturing top-quality motorcycle drivetrain components for road racing, Supercross, Motocross, and flat track. Each sprocket is developed with direct feedback from professional race teams and built to withstand the demands of high-performance riding.