Its large main reflectors and several auxiliary reflectors ensure high visibility for the cyclist - day and night. The large LED tail light with 180° visibility provides additional safety in road traffic. Details: High visibility: High visibility through bright and powerful reflectors; Ponytail compatibility: Helmet suitable for braid wearers; Full ring: Fully encircling plastic ring connected to an adjustment system; Large, high mounted and integrated LED tail light with 180° visibility; Ventilation: Optimal ventilation for this type of helmet through 12 air inlets and 5 air outlets Helmet construction: In-Mold Technology Adjustment system: Zoom Ace Urban: Finely adjustable adjustment system with easy-grip adjustment wheel for individual fit Function: With strap adjustment system Special features: Lighting Closure system: Fidlock magnetic belt lock Visor / Umbrella: Umbrella Purpose: City / Commuting Ventilation openings Number: 17.