Vortex 526AZK-42 CAT5 Rear Aluminum Sprocket Black 42T 520 Pitch

The Vortex 526AZK-42 CAT5 rear sprocket combines precision manufacturing with race-proven durability for 520-pitch chain applications. This lightweight aluminum sprocket features 42 teeth and is finished in black anodizing with contrasting silver machined highlights for a distinctive appearance.

Key Features:

• 100% CNC machined in the USA from specially formulated 7075 aluminum alloy
• Patented Saber Tooth groove design significantly increases sprocket longevity
• Color anodized first, then CNC machined to create striking silver highlights on sweeps, mud grooves, and teeth
• Unique tooth profile reduces wear and provides smooth power transfer
• Manufactured to tight tolerances for precise fit and optimal chain engagement
• Lightweight construction reduces rotational mass for improved acceleration

Vortex CAT5 sprockets utilize a proprietary manufacturing process that results in a sprocket design unlike any other. The anodizing process excludes the functional surfaces, creating a durable finish with eye-catching contrast while maintaining superior performance characteristics trusted by racing champions.