... 2,low prices, short time productin, satisfactory after-sales service balance bicycle1.Body material: Iron2.wheelFront wheel:durable PU flashing wheels ... *40cm9.Qty/container: 568pcs/20GP, 1177pcs/40GP 1380pcs/40HQswing bicycle balance bicyclea. Children style and adult available.b. New design without ... to control the direction, execise usually, can lose your weight balance bicycle