Vortex 920A-43 VTX Aluminum Rear Sprocket 43-Tooth

The Vortex 920A-43 is a high-performance 43-tooth aluminum rear sprocket from Vortex Racing's VTX series. Precision-machined from lightweight 7075-T6 aluminum alloy, this sprocket delivers an ideal balance of strength and weight savings over a stock steel sprocket — making it a popular upgrade for both street riders and track enthusiasts.

Key Features:

• 43-Tooth Rear Sprocket — bolt-on replacement for fine-tuning acceleration and throttle response
• 7075-T6 Aluminum Construction — aircraft-grade alloy for exceptional strength-to-weight ratio
• Hard Anodized Finish — resists corrosion and extends service life
• CNC Machined — tight tolerances ensure precise chain engagement and smooth power delivery
• Lightweight Design — significantly reduces unsprung and rotating mass compared to steel sprockets
• Direct OEM Replacement Pattern — uses stock mounting bolt pattern for straightforward installation

Vortex Racing is a trusted name in the powersports industry, known for producing competition-grade drivetrain components. The 920A-43 rear sprocket is designed to work seamlessly with compatible Vortex sprocket carriers and standard motorcycle chain drive systems. Whether you're optimizing gearing for track days or refreshing worn drivetrain components, the VTX aluminum sprocket is a proven, reliable choice.