Vortex 423ZB-42 Aluminum Rear Sprocket 42-Tooth Black

The Vortex 423ZB-42 is a lightweight aluminum racing sprocket featuring 42 teeth, designed to reduce rotating mass and deliver more power to the pavement. This high-performance rear sprocket is 100% CNC manufactured in the USA from specially formulated alloy per Vortex specifications.

Key Features:

• Lightweight aluminum construction for reduced rotating mass
• 100% CNC machined in the USA to precise tolerances
• Black zinc finish for corrosion resistance and aggressive styling
• Unique tooth design increases sprocket longevity
• Vortex patented sprocket design unlike any other
• 42-tooth configuration for optimal gearing performance

Vortex sprockets are made from aerospace-grade aluminum, providing optimal power transfer and reduced rotational mass for improved acceleration and handling. The black zinc coating provides both corrosion protection and a distinctive appearance that stands out from standard silver anodized sprockets.

Riders choose Vortex sprockets for their superior craftsmanship, longevity, and the ability to fine-tune gear ratios for improved acceleration and top-end speed. This sprocket is designed for racing and high-performance street applications where weight savings and durability are critical.