Fly Racing Formula S Protocol Helmet Size:SM Allows communication and intercom use

Allows communication and intercom use

The tank bag is made of durable ABS and includes a rain cover to keep everything dry

The Sena SPH10H-FM is only compatible with half helmets that have a Y-style strap

Its flexible positioning allows for convenient and secure phone mounting in just one second

Fly Racing Formula S Protocol Helmet Size:SM Allows communication and intercom useFly Racing Dirt Formula S Protocol Helmet The Formula S Helmet is the latest dirt dome protector from the big brains over at Fly Racing. A 12K carbon fiber shell is extremely lightweight and provides superior penetration resistance in case things get out of hand on the course. Impact Energy Cells made of RHEON RHEON technology is an energy absorbing super polymer. It is soft and flexible in its natural state but absorbs energy by stiffening when