Vortex 838AZK-42 Aluminum Rear Sprocket 42-Tooth Black

The Vortex 838AZK-42 is a lightweight aluminum rear sprocket featuring 42 teeth and a black anodized finish with contrast machined accents. This racing sprocket is 100% CNC manufactured in the USA from a specially formulated alloy per Vortex specifications, delivering precision and durability for demanding applications.

Key Features:

• Lightweight construction reduces rotating mass and aids in putting more power to the pavement
• Unique tooth design increases sprocket longevity
• Vortex patented sprocket design is unlike any other sprocket
• Black anodized with contrast machined finish for corrosion resistance and distinctive appearance
• 7075 T6 billet aluminum construction provides improved acceleration, deceleration and directional changes

Vortex aluminum sprockets are engineered to deliver professional-grade performance while reducing unsprung weight compared to OEM steel sprockets. The precision CNC machining ensures perfect fitment and optimal power transfer, making this sprocket an excellent choice for racers and performance enthusiasts.