Vortex 201ZR-57 CAT5 520 Rear Sprocket 57-Tooth Red Aluminum

The Vortex 201ZR-57 is a 57-tooth, 520 pitch CAT5 rear sprocket finished in a bold red anodized aluminum. Designed for performance-focused motorcycle riders, this sprocket delivers the lightweight advantage and durability that Vortex Racing is known for worldwide.

Key Features:

• CAT5 Anodized Aluminum Construction: Anodized first, then CNC machined from high-strength aluminum, resulting in a vibrant red finish with silver highlights at the machined surfaces
• Patented Tooth Design: Vortex's unique tooth profile promotes smooth chain engagement and release, increasing sprocket longevity
• 520 Chain Pitch: Compatible with 520 pitch chains — ideal for OEM replacement or 520 conversion builds
• 57 Teeth: Higher tooth count for increased low-end torque and pulling power
• 100% CNC Machined: Precision-manufactured to tight tolerances for concentric, consistent performance
• Lightweight Design: Reduced rotating mass compared to OEM steel sprockets, improving acceleration and handling response
• Made in the USA

The Vortex 201ZR-57 is a direct-fit rear sprocket for compatible motorcycles running a 520 chain. Whether used as a performance upgrade or a high-quality OEM replacement, this sprocket brings race-proven engineering to the street or track.