Vortex 642AKV4-40 Aluminum Rear Sprocket 40T

The Vortex 642AKV4-40 is a 40-tooth aluminum rear sprocket engineered for sport and performance motorcycle applications. Manufactured from high-grade 7075-T6 aluminum alloy, this sprocket delivers an excellent strength-to-weight ratio, reducing unsprung rotational mass for improved throttle response and acceleration.

Key Features:

• 40-Tooth Configuration – Optimized tooth count for a balance of acceleration and top-end performance
• 7075-T6 Aluminum Construction – Lightweight yet durable material for reduced unsprung weight
• Hard Anodized Finish – Resists corrosion and wear for extended service life
• Precision CNC Machined – Tight tolerances ensure smooth chain engagement and reduced drivetrain noise
• Direct OEM Replacement Fitment – Bolt-on installation with no modifications required
• Vortex 642 Series Carrier Compatibility – Designed to pair with compatible Vortex sprocket carriers

Vortex sprockets are a trusted choice among club racers, track day enthusiasts, and performance street riders who demand reliable drivetrain components. The 642AKV4-40 is ideal for riders looking to fine-tune their gearing setup while shedding unnecessary weight from the rear wheel assembly.