Vortex 245AZR-40 Cat5 Rear Aluminum Sprocket 40T

The Vortex Racing 245AZR-40 is a Cat5 Rear Aluminum Sprocket engineered for competitive motorcycle racing applications. Vortex Racing is a leading manufacturer of high-performance drivetrain components, and the Cat5 series represents their premium aluminum sprocket lineup designed to deliver lightweight performance without sacrificing durability.

This rear sprocket is CNC-machined from high-grade aluminum alloy, offering a significant weight reduction over steel alternatives while maintaining the strength and wear resistance demanded by track and racing environments. The 40-tooth configuration provides precise gearing options to optimize acceleration and top-speed characteristics for your specific application.

Key Features:

• Part Number: 245AZR-40
• Tooth Count: 40 teeth
• Material: High-grade aluminum alloy
• Series: Cat5 — Vortex Racing's premium aluminum rear sprocket line
• CNC-machined for precise tooth geometry and consistent chain engagement
• Lightweight construction reduces unsprung and rotating mass
• Hard anodized finish for corrosion resistance and extended service life
• Designed for performance street and racing use

The Vortex Cat5 rear sprocket is a direct OEM-style replacement or performance upgrade, offering a bolt-on fit for compatible motorcycles. Whether you're fine-tuning your gearing for the track or upgrading worn stock components, the Vortex 245AZR-40 delivers the quality and precision Vortex Racing is known for.