Vortex 253ZK-39 Steel Rear Sprocket 525 Chain 39-Tooth

The Vortex 253ZK-39 is a 39-tooth steel rear sprocket designed for motorcycles running a 525 pitch chain. Built to Vortex's exacting standards, this sprocket delivers the precision, durability, and longevity that racing and street riders demand.

Key Features:

• 39-tooth rear sprocket for fine-tuned gearing performance
• 525 chain pitch compatibility
• Manufactured from carbon steel alloy to Vortex specifications for maximum strength and wear resistance
• Precision CNC machined to ensure concentricity and consistent engagement
• Unique patented Vortex tooth profile design increases sprocket longevity and reduces chain wear
• Finish helps resist corrosion for extended service life
• Lightening holes reduce rotating mass without sacrificing strength

Vortex rear sprockets are precision-manufactured to tight tolerances, resulting in a sprocket that runs true, transfers power efficiently, and outlasts the competition. The 253ZK-39 is a direct-fit replacement that installs using your factory hardware.