Vortex 843ZK-55 Black 55-Tooth Aluminum Rear Sprocket

The Vortex 843ZK-55 is a 55-tooth aluminum rear sprocket finished in Vortex's signature black anodized with machined accent styling. Engineered for performance motorcycle applications, this sprocket is 100% CNC manufactured in the USA from a specially formulated aluminum alloy to deliver a precise, lightweight drivetrain component trusted by racers and performance street riders alike.

Key Features:

• Lightweight Aluminum Construction: Reduces rotating mass for improved throttle response and acceleration
• 100% CNC Manufactured in the USA: Tight tolerances ensure concentricity and smooth, consistent power delivery
• Specially Formulated Alloy: Vortex-spec aluminum alloy balances strength and weight reduction
• Black Anodized with Machined Accents: Corrosion-resistant finish with a premium, aggressive aesthetic
• Patented Tooth Design: Vortex's unique tooth profile increases sprocket longevity and reduces chain wear
• 55-Tooth Rear Sprocket: Larger tooth count delivers stronger low-end acceleration and is a popular choice for stunt and performance riding

Vortex Racing rear sprockets are a go-to upgrade for riders looking to fine-tune their gear ratio, reduce drivetrain weight, or replace worn OEM hardware with a proven performance component. Always verify chain pitch compatibility and bolt pattern fitment for your specific application.