Vortex 840A-58 Aluminum Rear Sprocket 58 Tooth 520 Chain

The Vortex 840A-58 is a lightweight aluminum racing rear sprocket featuring 58 teeth and designed for use with 520 pitch chains. This premium sprocket is engineered specifically for aftermarket wheels with 5-bolt mounting patterns, including BST and other high-performance wheel applications.

Key Features:

• 100% CNC manufactured from specially formulated F5 aluminum alloy per Vortex specifications
• Lightweight construction reduces rotating mass for improved acceleration and handling
• Silver anodized finish prevents corrosion and maintains appearance
• Unique tooth design engineered for optimal chain hold and release, increasing sprocket longevity
• 5-bolt mounting pattern with 10mm holes, 100mm PCD (Pitch Circle Diameter), and 76mm sprocket ID
• Precision machined in the USA to exacting racing standards

Vortex Racing has been a trusted manufacturer of top-quality racing components since 1995, and the 840A series represents their commitment to precision engineering and performance. This sprocket is ideal for racers and performance enthusiasts looking to optimize their motorcycle's gearing for track or street applications.