Vortex 840AZLV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 840AZLV4-45 is a 45-tooth aluminum rear sprocket from Vortex's VTX series, engineered for performance motorcycle applications. Machined from high-grade aluminum alloy, this sprocket delivers an excellent balance of light weight and durability, making it a popular upgrade over heavier OEM steel sprockets.

Key Features:

• 45-Tooth Rear Sprocket – provides tunable gearing for acceleration or top-speed optimization
• Lightweight Aluminum Construction – significantly reduces unsprung rotational mass compared to steel sprockets
• VTX Series Design – precision CNC-machined for tight tolerances and consistent chain engagement
• Anodized Finish – hard anodized surface treatment for corrosion resistance and extended wear life
• Direct OEM Replacement Pattern – bolt-on fitment using the stock mounting bolt pattern
• 840 Chain Pitch Compatible – designed to work with the corresponding chain pitch for proper engagement

Vortex Racing is a well-regarded American manufacturer known for producing high-quality drivetrain and chassis components for sport and racing motorcycles. The VTX aluminum sprocket line is a trusted choice for riders looking to reduce rotating mass, fine-tune gear ratios, and add a performance aesthetic to their drivetrain.