Vortex 436AV4-42 VTX Aluminum Rear Sprocket 42T

The Vortex 436AV4-42 is a high-performance VTX series aluminum rear sprocket featuring 42 teeth, engineered for riders who demand precision, durability, and reduced unsprung weight. Vortex Racing is a trusted name in the powersports and motorcycle racing community, and the VTX sprocket line represents their commitment to quality aftermarket drivetrain components.

Key Features:

• 42-Tooth rear sprocket for optimized gear ratio tuning
• Constructed from lightweight 7075-T6 aluminum for superior strength-to-weight ratio
• Hard anodized finish for enhanced corrosion resistance and long service life
• CNC-machined to tight tolerances for precise chain engagement and smooth power delivery
• Designed as a direct OEM-style replacement with bolt-on fitment
• Reduced unsprung rotational mass compared to steel sprockets for improved handling response

The Vortex VTX aluminum rear sprocket is an ideal upgrade for street, track, and off-road use. Whether you're fine-tuning your gear ratio for a specific circuit or replacing a worn OEM sprocket, the 436AV4-42 delivers race-proven performance and reliability.