Combines performance, comfort and safety optimally, suitable for racing and cross-country use thanks to the removable visor, minimises air resistance due to maximum ventilation, exclusive Autofit system guarantees easy adjustment of the helmet straps, Live Fit technology, optimal adjustability, high support and comfort, 255g MIPS technology reduces damage to the brain in the event of an oblique head impact. Type Article Features Aero , MIPS Colour designation starlight blue Main colour blue Head circumference 54 cm , 55 cm , 56 cm , 57 cm , 58 cm , 59 cm Head circumference up to 59 cm Head circumference from 54 cm Closure system Buckle fastener Adjustment system Rotary knob Visor detachable