Vortex 642ZK-37 Aluminum Rear Sprocket 37-Tooth

The Vortex 642ZK-37 is a precision-engineered 37-tooth aluminum rear sprocket designed for high-performance motorcycle applications. This lightweight sprocket is manufactured from specially formulated aerospace-grade aluminum alloy to Vortex's exacting specifications, providing optimal power transfer while reducing unsprung rotational mass for improved acceleration and handling.

Key Features:

• 37-tooth aluminum rear sprocket configuration
• Vortex patented sprocket design with unique tooth profile for extended service life
• Specially formulated alloy construction for superior strength-to-weight ratio
• CNC-machined in the USA to precise tolerances ensuring concentricity
• Saber tooth grooves increase sprocket longevity and reduce wear
• Lightweight design reduces rotational mass for quicker acceleration
• Engineered for racing and high-performance street applications

Vortex sprockets are trusted by professional racers and motorcycle enthusiasts worldwide for their exceptional quality, durability, and performance. Each sprocket undergoes rigorous quality control to ensure it meets the demanding standards required for both competitive racing and spirited street riding.