Vortex 821ZK-53 Black Aluminum Rear Sprocket 53-Tooth

The Vortex 821ZK-53 is a 53-tooth black anodized aluminum rear sprocket designed for performance motorcycle applications. Part of Vortex Racing's ZK series, this sprocket is 100% CNC manufactured in the USA from a specially formulated aluminum alloy, delivering an exceptional combination of light weight and durability trusted by racers and performance street riders alike.

Reducing rotating mass compared to a heavy steel sprocket, the 821ZK-53 helps improve throttle response and puts more power to the pavement. The black anodized finish provides corrosion resistance and a clean, aggressive appearance. Vortex's patented tooth geometry is engineered to extend sprocket life and promote smooth, precise chain engagement.

Key Features:

• 53-Tooth rear sprocket for customized gearing ratios
• Lightweight CNC-machined aluminum construction reduces rotating mass
• Black anodized finish resists corrosion and looks great
• Vortex patented tooth design for extended sprocket longevity
• 100% manufactured in the USA to precise tolerances
• Part of the trusted Vortex ZK series sprocket lineup

The Vortex 821ZK-53 rear sprocket is an ideal upgrade for riders looking to optimize their motorcycle's gearing for improved acceleration, track performance, or off-road riding. Always verify fitment and chain pitch compatibility for your specific application.