Vortex 839AZLV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 839AZLV4-45 is a 45-tooth VTX Series aluminum rear sprocket engineered for performance-oriented riders who demand lightweight, durable drivetrain components. Machined from high-grade aluminum alloy, this sprocket delivers a significant weight reduction over stock steel units without sacrificing strength or longevity.

Key Features:

• 45-Tooth Configuration – Optimized tooth count for acceleration and mid-range power delivery
• VTX Series Design – Vortex's proven aluminum sprocket line, trusted by racers and street riders alike
• Lightweight Aluminum Construction – Reduces unsprung and rotating mass for improved handling and throttle response
• Hard Anodized Finish – Provides corrosion resistance and extends sprocket service life
• Precision CNC Machined – Tight tolerances ensure smooth, quiet chain engagement and even wear
• Direct OEM Replacement Fitment – Designed to bolt on in place of the factory rear sprocket with no modifications required

Vortex Racing is a leading manufacturer of high-performance motorcycle drivetrain components, widely used in AMA Superbike, MotoAmerica, and club racing applications. The 839AZLV4-45 rear sprocket is an excellent upgrade for riders looking to fine-tune their gearing or replace a worn factory sprocket with a premium aftermarket alternative.