Vortex 527AV4-50 VTX Aluminum Rear Sprocket Pitch Sprockets - 50T 520

The Vortex 527AV4-50 is a high-performance VTX series aluminum rear sprocket featuring a 50-tooth count designed for 520 pitch chain applications. Engineered by Vortex Racing — a trusted name in competitive and street motorcycle drivetrain components — this sprocket delivers an excellent balance of lightweight performance and durability.

Manufactured from high-grade 7075-T6 aluminum alloy, the VTX sprocket is significantly lighter than OEM steel alternatives, reducing unsprung rotational mass for improved throttle response and acceleration. The sprocket features precision CNC machining for exact tooth profile geometry, ensuring smooth, consistent chain engagement and extended component life.

Key Features:

• 50-tooth rear sprocket for optimized final drive gearing
• 520 chain pitch compatibility
• Lightweight 7075-T6 aluminum alloy construction
• Precision CNC machined tooth profiles for consistent chain engagement
• Hard anodized finish for corrosion resistance and durability
• Reduces unsprung rotational weight compared to steel sprockets
• Bolt-on replacement for direct OEM fitment applications

The Vortex VTX aluminum rear sprocket is a popular upgrade for riders seeking improved performance and weight savings on both street and track applications. Vortex sprockets are made in the USA and are renowned for their precise fitment and long service life when properly maintained.