Vortex 405ZK-56 CAT5 Aluminum Rear Sprocket 56T 420 Pitch Black

The Vortex 405ZK-56 CAT5 Aluminum Rear Sprocket delivers professional-grade performance for mini bikes and small-displacement motorcycles. Built from premium 7075 T6 aluminum, this sprocket delivers improved acceleration and extended component life while reducing rotating mass. CNC machined from 7075 aluminum for amazing strength and light weight, this proven design features tight tolerances and unique tooth design.

Key Features:

• 56 Teeth, 420 Chain Pitch: Provides optimal gearing for performance tuning and custom drivetrain setups
• Aerospace-Grade 7075 T6 Aluminum: Offers exceptional strength-to-weight ratio compared to OEM steel sprockets
• Unique tooth design increases sprocket longevity
• Specially formulated alloy per Vortex specifications
• Black Anodized Finish: Corrosion-resistant coating provides durability and sharp appearance
• Vortex patented sprocket design is unlike any other sprocket
• CNC Precision Machined: Ensures perfect fitment and reduced chain wear
• Lightening holes reduce rotating mass for improved throttle response

An aluminum sprocket is much lighter compared to OEM steel sprockets and this leads to reduced rotating mass and allows for improved acceleration and handling. The Vortex CAT5 series is trusted by racers and enthusiasts for its combination of lightweight construction, durability, and precise manufacturing tolerances.