Vortex 839AV4-45 VTX Aluminum Rear Sprocket 45-Tooth

The Vortex 839AV4-45 is a high-quality aluminum rear sprocket designed as a performance upgrade or direct replacement for compatible motorcycles. Manufactured by Vortex Racing, a trusted name in powersports drivetrain components, this sprocket is precision-machined from lightweight aluminum alloy to reduce unsprung weight while maintaining exceptional strength and durability.

Key Features:

• 45-Tooth rear sprocket for optimized acceleration and drive ratio tuning
• Precision CNC-machined from high-grade aluminum alloy for strength and weight savings
• Hard anodized finish for corrosion resistance and long service life
• Part of Vortex's VTX series — engineered for performance street and track applications
• Direct bolt-on fitment for compatible applications
• Lightweight construction reduces unsprung and rotating mass for improved throttle response

The Vortex 839AV4-45 rear sprocket is an excellent choice for riders looking to fine-tune their gearing for improved acceleration, track performance, or to compensate for tire size changes. Vortex sprockets are manufactured to strict tolerances to ensure smooth, quiet chain engagement and extended wear life when used with a properly maintained drive chain.