Vortex 527ZB-49 Cat5 Rear Aluminum Sprocket Blue 49T 527 Chain

The Vortex 527ZB-49 Cat5 Rear Aluminum Sprocket is a lightweight, high-performance replacement sprocket designed for street and track use. Built to Vortex Racing's exacting standards, this 49-tooth sprocket delivers a noticeable weight reduction over stock steel sprockets while adding a bold visual upgrade to your drivetrain.

Key Features:

• Material: CNC-machined from high-grade 7075-T6 aluminum for superior strength-to-weight ratio
• Color Finish: Anodized blue finish applied before CNC machining, producing vivid color with contrasting silver highlights on the swept surfaces and teeth
• Tooth Count: 49 teeth
• Chain Pitch: 527
• Tooth Design: Unique Vortex tooth profile engineered for increased sprocket longevity and efficient power transfer
• Manufacturing: 100% CNC manufactured in the USA to tight tolerances
• Style: CAT5 series design — color anodizing excludes sweeps, mud grooves, and teeth for a distinctive two-tone look
• Suggested Use: Street and track

The Vortex CAT5 series is trusted by racing champions worldwide for its proven design, tight machining tolerances, and reliable performance. The blue anodized finish is applied to the blank prior to CNC machining, ensuring the colored body contrasts cleanly against the natural aluminum of the machined tooth faces and cutouts — a signature look that sets Vortex sprockets apart from the competition.