Vortex 839AZBV4-45 Aluminum Rear Sprocket 45T

The Vortex 839AZBV4-45 is a lightweight aluminum rear sprocket engineered for riders who demand precision, performance, and durability. 100% CNC manufactured in the USA, this sprocket is built to the tight tolerances that Vortex Racing is known for, making it a trusted choice among road racers and track-day enthusiasts alike.

Key Features:

• Lightweight aluminum construction reduces rotating mass for improved acceleration, deceleration, and directional response
• 100% CNC manufactured in the USA to exacting tolerances
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish resists corrosion and provides a clean, race-ready appearance
• Vortex patented unique tooth design increases sprocket longevity and chain engagement
• 45-tooth rear sprocket for tuned final drive gearing
• Designed for aftermarket wheel fitment — contact Vortex for full compatibility details

Vortex Racing has been producing top-quality motorcycle racing components since 1995, with products tested on-track by professional race teams worldwide. The 839AZBV4-45 is the ideal upgrade for riders looking to reduce unsprung weight and fine-tune their motorcycle's gearing performance.