Vortex 436ZB-51 Cat5 Rear Aluminum Sprocket Blue 51-Tooth

The Vortex 436ZB-51 is a Cat5 rear aluminum sprocket in a striking blue anodized finish, designed for riders who demand lightweight performance without sacrificing durability. With a 51-tooth configuration, this sprocket delivers enhanced low-end torque and improved acceleration, making it a popular upgrade for street and track applications.

Key Features:

• 51-Tooth Rear Sprocket – Increases rear wheel torque for stronger acceleration out of corners and from low speeds
• Lightweight Aluminum Construction – Significantly reduces unsprung rotational mass compared to steel sprockets
• Blue Anodized Finish – Hard anodizing provides corrosion resistance and a bold aesthetic that complements custom builds
• Cat5 Series – Vortex's performance-oriented sprocket line engineered for precise chain engagement and extended wear life
• CNC Machined – High-tolerance machining ensures consistent tooth profile and optimal chain contact
• Replaces OEM Rear Sprocket – Direct bolt-on fitment for compatible motorcycle models

Vortex Racing is a well-established U.S. manufacturer known for producing high-quality sprockets, clip-ons, rearsets, and related motorcycle accessories. The Cat5 aluminum rear sprocket series is a go-to choice for riders looking to fine-tune their drivetrain gearing with a durable, race-proven component.