Vortex 840AK-39 F5 Rear Sprocket Black Hardcoat 39 Tooth 520 Pitch

The Vortex 840AK-39 F5 Rear Sprocket delivers exceptional performance and durability for 520-pitch chain systems. This 39-tooth rear sprocket features Vortex's advanced F5 black hardcoat finish with PTFE (polytetrafluoroethylene) coating for superior wear resistance and reduced friction.

Key Features:

• 100% CNC machined from 7075 T6 billet aluminum in the USA for precision and strength
• Black hardcoat anodized finish with PTFE coating for added lubricity and longevity
• Patented tooth design increases sprocket lifespan and performance
• Lightweight construction reduces rotating mass for improved acceleration
• Ultra-tough finish stays cleaner and lasts longer than standard sprockets
• 520 pitch, 39 teeth configuration

Vortex Racing sprockets are trusted by world-class racing teams and champions for their exceptional quality and performance. The F5 series represents the pinnacle of sprocket technology, combining aerospace-grade materials with advanced surface treatments for maximum durability in demanding applications.