Vortex 144AZKV4-42 VTX 525-Pitch 42-Tooth Aluminum Rear Sprocket

The Vortex 144AZKV4-42 is a lightweight aluminum rear sprocket featuring a 525 pitch and 42 teeth, purpose-built for street and track performance. Machined from high-grade aluminum alloy to Vortex's exacting specifications, this sprocket delivers a significant weight reduction over stock steel units, reducing rotating mass for improved throttle response and more precise acceleration and deceleration.

Key Features:

• 525-Pitch compatible — fits standard 525-pitch drive chains
• 42-Tooth rear sprocket for optimized gearing
• Lightweight aluminum construction reduces rotating mass
• 100% CNC manufactured in the U.S.A. to tight tolerances
• Specially formulated alloy per Vortex specifications for strength and durability
• Anodized finish for corrosion resistance and long service life
• Vortex patented tooth design for increased sprocket longevity
• Direct OEM-style fitment — no modifications required

Vortex Racing has been manufacturing top-quality motorcycle racing components for over 15 years, with products trusted by professional race teams worldwide. The 144AZKV4-42 sprocket is a proven upgrade for riders seeking performance gains on the street or track without sacrificing reliability.