Vortex 144ZR-42 CAT5 Rear Sprocket 42 Tooth 520 Pitch

The Vortex 144ZR-42 is a high-quality CAT5 rear sprocket designed for 520 pitch chain applications. This 42-tooth sprocket is constructed from heat-treated, case-hardened SCM415 chromoly steel for exceptional strength and durability.

Key Features:

• 42-tooth configuration for optimized gearing performance
• 520 pitch compatibility for standard sportbike chain systems
• SCM415 chromoly steel construction with heat treatment for maximum durability
• Zinc-plated finish for corrosion resistance
• Precision CNC-machined teeth for smooth chain engagement
• Lightening holes reduce rotating mass without sacrificing strength
• Meets or exceeds OEM specifications

Vortex CAT5 sprockets are engineered to deliver reliable performance in street and track applications. The zinc plating provides a protective coating that extends service life, while the precision manufacturing ensures proper chain alignment and reduced wear. This sprocket is an excellent replacement or upgrade option for riders seeking quality components at competitive prices.