Performance and comfort for every rider Quantum helmets feature superior ventilation, excellent coverage, and Bontrager's signature out-of-the-box comfort. A removable visor feature adds incredible ease-of-use by allowing Quantum to be your go-to helmet no matter what the type of ride.
SPECS Construction In-molded composite skeleton Fit System BOA System Impact System MIPS Brain Protection System Ventilation Recessed internal channels Closure Standard buckle LockDown dividers Sizing Small: 51-57 cm Medium: 54-60 cm Large: 58-63 cm X-Large: 60-66 cm Features MIPS integration Reflective elements Removable snap-on visor
