Vortex 337ZR-39 Aluminum Rear Sprocket 39-Tooth Red Anodized

The Vortex 337ZR-39 is a high-performance aluminum rear sprocket designed for motorcycle racing and street applications. This premium sprocket features 39 teeth and is constructed from aerospace-grade aluminum alloy for exceptional strength while minimizing rotating mass.

Key Features:

• 39-tooth configuration for precise gearing optimization
• Aerospace-grade aluminum construction for maximum strength-to-weight ratio
• Red anodized finish for corrosion resistance and distinctive appearance
• Precision machined to the tightest tolerances in the industry
• Vortex patented tooth design increases sprocket longevity
• Significantly lighter than steel sprockets for improved acceleration and reduced unsprung weight
• Made in the USA by Vortex Racing

Vortex Racing has over 15 years of experience manufacturing top-quality motorcycle racing components. Their sprockets are trusted by professional race teams and champions worldwide, including riders in Motocross, Supercross, Road Racing, and Flat Track Racing. Each sprocket is engineered to achieve maximum lightness and strength, tested on the track with direct feedback from top professional teams.