Ky b003 sports unisex bike helmet 11 vents cycling cycling mountain cycling road cycling recreational cycling hiking climbing eps abswhite black
Genderunisex featuressports one piece youth mountain activitymountain cycling hiking cycling climbing recreational cycling road cycling head circumference inch15 18 vents11 materialeps abs certificationce fit for22 23inch 56 585cm 21 22inch 53 56cm 20 21inch 51 53cm 23 24inch 585 61cm head circumference cm50 53 53 56 56 60 brandkuyou net weightkg02 production modeself produce