Vortex 615ZK-44 Aluminum Rear Sprocket 520 Pitch 44 Tooth Black

The Vortex 615ZK-44 is a high-performance aluminum rear sprocket designed for serious riders and racers. Precision-machined from 7075 aluminum, this sprocket delivers exceptional durability and performance while significantly reducing rotating mass compared to OEM steel sprockets.

Key Features:

• 520 pitch with 44 teeth
• 100% CNC machined in the USA with Vortex patent-pending design
• CAT5 black anodized finish for durability and aggressive styling
• Features saber tooth grooves for enhanced chain engagement
• Lightweight construction reduces rotating mass and helps put more power to the pavement
• Aluminum construction allows for improved acceleration and handling
• Made by US-based Vortex Racing, manufactured to the tightest tolerances with premium materials

Vortex sprockets are tested on the track with direct feedback from top professional race teams worldwide and have been proven by world-respected champions. This sprocket is designed for riders who demand the best in performance, reliability, and weight savings.