... ISO 9001-2008 quality standard 3.Durable colorful desgin quality bicycle:Size:12" 14" 16" 18" 20" 22" 24 ... bmx bike,baby bikechildren bike,childs bicycle/bike,mtb bicycle bike kid's Bicycle,bmx bicycle children bmx1. Size:from 12" ... or CP12. Chain:full chain or 9-form chain cover(steel or plastic)13. Pedal:plastic,with reflector,without ... sticker is designed by professional persons good quality bicycle