Vortex 828ZK-37 Aluminum Rear Sprocket 37-Tooth Zinc Coated

The Vortex 828ZK-37 is a lightweight aluminum rear sprocket featuring 37 teeth and a zinc coating for enhanced corrosion resistance. This high-performance racing sprocket is precision CNC-manufactured in the USA from specially formulated aluminum alloy to Vortex specifications, combining durability with significant weight savings over steel sprockets.

Key Features:

• 37-tooth aluminum rear sprocket design
• Zinc coating provides superior corrosion protection
• 100% CNC-machined in the USA for precise tolerances
• Specially formulated lightweight aluminum alloy construction
• Vortex patented tooth design increases sprocket longevity
• Reduces rotating mass for improved acceleration and power delivery
• Unique tooth profile enhances chain engagement and extends service life

Vortex Racing sprockets are the choice of professional racers and serious enthusiasts who demand maximum performance and reliability. The lightweight construction reduces unsprung weight and rotational mass, allowing more power to reach the rear wheel while improving handling response.