SM3 Falcon Visor YGroup_3264617 The Nucleon Flex Pro is

The Nucleon Flex Pro is compatible with all Alpinestars’ sport and touring jackets that have released since Spring 2022

stretchable open mesh panels are strategically positioned on the suit’s back

and reliable protection for all-day track or trail sessions

For more information on the envelope of protection

bringing adult Vision-line optical performance and fit to youth motocross

SM3 Falcon Visor YGroup_3264617 The Nucleon Flex Pro isThis official Alpinestars motocross helmet visor is designed as a direct replacement for the S M3 Falcon, helping riders restore the helmets original off road functionality and aggressive profile. Built for seamless compatibility and dependable fit, it is the correct replacement part for maintaining coverage from roost and sun glare while preserving a clean factory finish.