Vortex 423ZK-45 CAT5 Aluminum Rear Sprocket 520 Pitch 45 Tooth Black

The Vortex 423ZK-45 is a lightweight CAT5 aluminum rear sprocket designed for high-performance motorcycle applications. This sprocket is 100% CNC manufactured in the USA from 7075 T6 aluminum, delivering exceptional strength while reducing rotating mass for improved acceleration and handling.

Key Features:

• CNC manufactured to the tightest tolerances with a unique tooth design
• Saber tooth grooves; unique tooth design increases sprocket longevity
• Color anodizing which excludes the sweeps, mud grooves and teeth for a flash of color
• Specially formulated alloy per Vortex specifications
• 520 pitch with 45 teeth for Kawasaki, Suzuki, and Yamaha sportbikes
• Black anodized finish with silver machined accents

An aluminum sprocket is much lighter compared to OEM steel sprockets and this leads to reduced rotating mass, allowing for quicker acceleration and more responsive handling. Each of Vortex's race components is made to the tightest tolerances with the best quality materials, making this sprocket a trusted choice for both street and track applications.