Vortex 840A-45 Aluminum Rear Sprocket 520 Pitch 45-Tooth

The Vortex 840A-45 is a lightweight aluminum rear sprocket designed for 520 pitch motorcycle chains. This precision-engineered component features 45 teeth and is manufactured from specially formulated 7075 T6 billet aluminum to reduce rotating mass while maintaining exceptional strength and durability.

Key Features:

• 100% CNC manufactured in the USA to exacting tolerances
• Constructed from 7075 T6 billet aluminum for lightweight performance
• 520 pitch with 45 teeth configuration
• Unique tooth design increases sprocket longevity
• Silver anodized finish prevents corrosion
• Vortex patented sprocket design for optimal chain engagement
• Reduces rotating mass for improved acceleration and handling

Vortex Racing has been manufacturing premium motorcycle racing components since 1995, with products tested and proven by professional race teams worldwide. Each sprocket is precision-machined to work seamlessly with 520 pitch chains for reliable power transfer and extended service life.