Vortex 543A-43 Aluminum Rear Sprocket 43-Tooth

The Vortex 543A-43 is a 43-tooth aluminum rear sprocket engineered for street and performance motorcycle applications. Manufactured by Vortex Racing, a trusted name in powersports drivetrain components, this sprocket delivers a precise fit and durable construction suited for both everyday riding and spirited track use.

Key Features:

• Lightweight aluminum construction reduces rotating mass for improved throttle response and acceleration
• 100% CNC machined in the USA for precise tolerances and consistent fitment
• Specially formulated alloy per Vortex Racing specifications for optimized strength-to-weight ratio
• Silver anodized finish provides corrosion resistance and a clean, lasting appearance
• Vortex patented tooth design promotes even chain wear and extends sprocket longevity
• Hardened teeth maintain strength through extended mileage without deformation
• Cupped design — body is stepped down from the tooth ring to minimize overall weight
• 43-tooth count for stock or performance gearing configurations

Vortex Racing sprockets are a popular OEM-replacement and performance upgrade choice among motorcycle enthusiasts. The aluminum construction shaves significant weight compared to steel alternatives, helping reduce drivetrain inertia and deliver a more responsive ride. Verify fitment using Vortex's official application guide for your specific make and model.