Vortex 840AZKV4-45 Aluminum Rear Sprocket Chain Sprockets - 45T 530 Silver

The Vortex 840AZKV4-45 is a lightweight, CNC-machined aluminum rear sprocket designed for high-performance motorcycle applications. Purpose-built for racing and spirited street riding, this 45-tooth sprocket is engineered to reduce rotating mass and improve throttle response, acceleration, and overall drivetrain efficiency.

Key Features:

• 45-Tooth Rear Sprocket — optimized tooth count for improved low-end torque and acceleration
• 530 Chain Pitch — compatible with standard 530-series drive chains
• Lightweight Aluminum Construction — reduces rotating mass for improved performance compared to steel sprockets
• Silver Anodized Finish — corrosion-resistant anodizing protects the aluminum surface and maintains appearance
• Unique Tooth Profile — Vortex's proprietary tooth geometry promotes smooth chain engagement and extended sprocket longevity
• 100% CNC Manufactured in the USA — precision machined from specially formulated aluminum alloy per Vortex specifications
• Direct Replacement Fit — engineered for precise fitment on compatible motorcycle models

Vortex Racing has been manufacturing top-quality racing components in the USA since 1995. The 840 series sprocket is a trusted choice among racers and performance riders seeking reliable, race-proven drivetrain components.