Vortex 251AZK-42 Rear Sprocket Color Anodized CNC Machined Sprockets - CAT5

The Vortex 251AZK-42 CAT5 Rear Sprocket delivers the trusted performance Vortex is known for, finished in a striking color anodize for riders who want style without sacrificing function. This sprocket uses the same proven Vortex engineering platform with a color anodize treatment applied to the body — excluding the sweeps, mud grooves, and teeth — to maintain optimal traction and durability where it counts most.

Key Features:

• Color Anodized Finish — Vibrant anodize applied to the sprocket body, excluding functional surfaces for maximum performance integrity
• 100% CNC Machined — Precision machined from high-quality billet for consistent tolerances and a superior fit
• Saber Tooth Grooves — Vortex's signature groove design promotes efficient chain engagement and helps shed mud and debris
• Proven Vortex Design — Built on the same platform as Vortex's race-proven sprocket lineup

The Vortex CAT5 rear sprocket is an ideal upgrade for off-road and motocross riders seeking lightweight, durable, and visually distinctive drivetrain components. Fits standard 520 chain pitch applications per the 42-tooth specification.