Vortex 543A-39 Aluminum Rear Sprocket 39T

The Vortex 543A-39 is a high-performance aluminum rear sprocket featuring 39 teeth, engineered for sport and street motorcycle applications. Vortex is a trusted name in the powersports industry, renowned for producing precision-machined drivetrain components that deliver superior strength-to-weight performance over stock OEM parts.

Key Features:

• 39-Tooth Configuration – Optimized tooth count for balanced acceleration and top-end speed
• Lightweight Aluminum Construction – Significantly reduces unsprung rotational weight compared to steel sprockets
• Hard Anodized Finish – Provides excellent corrosion resistance and extended wear life
• Precision CNC Machined – Ensures exact tolerances for smooth chain engagement and reduced drivetrain noise
• Direct OEM Replacement – Bolt-on fitment with no modifications required
• High-Visibility Design – Vortex's signature aesthetic with lightening holes for reduced weight

The Vortex 543A-39 rear sprocket is an ideal upgrade for riders seeking improved drivetrain efficiency and a weight savings advantage on the track or street. Compatible with standard chain and sprocket replacement intervals, this sprocket pairs perfectly with Vortex front sprockets and OEM or aftermarket drive chains.