Vortex 120ZK-51 Aluminum Rear Sprocket 520 Pitch 51-Tooth

The Vortex 120ZK-51 is a high-performance aluminum rear sprocket designed for 520 pitch chain applications. Featuring 51 teeth, this sprocket provides an excellent balance between acceleration and top-end speed for sport and racing motorcycles.

Key Features:

• Constructed from aerospace-grade aluminum for optimal strength-to-weight ratio
• 520 pitch compatible for use with standard sport bike chain systems
• 51-tooth configuration for versatile gearing options
• Vortex's patented tooth design increases sprocket longevity and reduces chain wear
• Precision-machined to tight tolerances ensuring proper concentricity and smooth operation
• Significantly lighter than steel sprockets, reducing unsprung and rotational mass
• Hard-coat anodized finish for enhanced durability and corrosion resistance

Vortex aluminum sprockets are trusted by professional racers worldwide for their exceptional quality, durability, and performance. Each sprocket is manufactured with meticulous attention to detail to deliver optimal power transfer and extended service life. Ideal for riders looking to customize their gear ratios or replace worn OEM components with a premium aftermarket solution.