Lightweight, downhill-certified, full face helmet Conquer the mountain with this full-face protection specialist. The Proframe Frequency Helmet is the original full-face trail helmet and is still the market leader. Designed to meet the needs of all-mountain riders and enduro racers, it packs Mips® technology into a superlight shell, and features increased ventilation to keep you cooler as you rip down the trail. Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain 3-position adjustable visor compatible with goggles Removable under visor GoPro mount included Increased ventilation and decreased surface contact area improve cooling Includes additional pad set to optimize fit Meets the ASTM-F1952 Downhill MTB certification standard Size Head Size Cheek Pads Hat Size Weight Y 48-52 cm 20/30 mm (installed);30/40 mm (included) 15.3-16.6 cm 680±50 g S 51-55 cm 20/30 mm (installed);30/40 mm (included) 16.2-17.5 cm 720±50 g M 55-59 cm 20/30 mm (installed);30/40 mm (included) 17.5-18.8 cm 790±50 g L 59-63 cm 20/30 mm (installed);30/40 mm (included) 18.8-20.1 cm 920±50 g
