head circumference 56cm intelligent bike helmet

{"cid":"91225959","title":"Adjustable Safety Bicycle Helmet, Multi-Vent Lightweight Bike Helmet for Commute MTB Road Cycling","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/0d\/ee4837a36422198e99799c9227c3-200x200-1.jpg","attrs":{"Minimum Order Quantity":"50 sets","Delivery Time":"15 days","Maintenance":"Easy to clean with a damp cloth","Mountingtype":"Bolt-on","Durability":"High Impact Resistance","Corrosionresistance":"Yes","Installationtype":"Bolt-on","Dimensions":"15 x 10 x 5 cm","Productname":"Motorcycle Sport Parts","Country Of Origin":"China","Payment Terms":"T\/T","Place of Origin":"China","Package Includes":"1 x Sport Part, Mounting Hardware","Supply Ability":"1 month 5000 pcs","Corrosion Resistance":"Yes","Packageincludes":"1 x Sport Part, Installation Manual","Packaging Details":"Carton Box packing","Warranty":"12 months","Finish":"Anodized","Usage":"Suitable for outdoor and indoor sports","Color":"Black"}}

{"cid":"91221586","title":"Custom DOT ECE 22.06 Approved Motocross Helmet for Kids Dirt Bike Head Safety Protection","imgUrl":"https:\/\/img.chinax.com\/nimg\/fd\/d5\/6142461f3273f062132c5d9dc58f-200x200-1.jpg","attrs":{"Price":"$31.00\/pieces 500-999 pieces","Brand Name":"Customizable","Model Number":"MPM-QLMP-KY-B07\/ST-07","Minimum Order Quantity":"500 pieces","Delivery Time":"30 - 35 Work Days","Purpose":"for replace\/repair","Condition":"New","Type":"Motocross","Material":"ABS","Size":"S,M,L,XL","Place of Origin":"China","Product Name":"Custom DOT ECE 22.06 approved motocross helmet for kids dirt bike","Color":"Customized","Certification":"DOT ECE 22.06","MOQ":"500pcs","Function":"Head Safety Protection","Packing":"Cloth Bag+inner Box","Logo":"Customized Logo Accepted","Sample":"Make Sample","Liner":"High Density EPS"}}