Vortex 635AZR-43 Aluminum Rear Sprocket 520 Pitch 43-Tooth Red

The Vortex 635AZR-43 is a 43-tooth, 520-pitch aluminum rear sprocket finished in a striking red anodize. Designed as a direct upgrade over heavy OEM steel sprockets, this lightweight aluminum unit reduces rotating mass for improved throttle response and acceleration.

Key Features:

• 100% CNC manufactured in the USA to the tightest tolerances in the industry
• Specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Red anodized finish provides corrosion resistance and a clean, race-inspired appearance
• Unique patented tooth design increases sprocket longevity and chain engagement
• Cupped construction from tooth ring to body removes excess material and minimizes weight
• 43 teeth, 520-pitch chain compatibility
• Intended for use with stock 520-pitch chain size (unless a conversion is specified)

Vortex Racing has been a trusted name in high-performance motorcycle drivetrain components since 1995, with products tested and proven by top professional racers worldwide. The 635AZR-43 is the ideal choice for riders seeking a lightweight, durable, and visually distinctive rear sprocket upgrade.