12"child bicycle specification 1.Fram: Steel 2.Fork: Steel 3.Rim: Steel, 12*1.75*18H 4.Tyre and Tube: 12*2.4/12*2.125, AV 5.Brake:F+R Caliper Brake 6.Chainwheel&Crank: Steel, CP, 28T 7.Freewheel:16T 8.Saddle: Match color, soft 9.Fender: Long type, steel, paint 10.Chainover: F type, steel 11.G.W./N/W/: 8Kg/7Kg 12.Package and quantity of 40HQ: 69*16*34, 1800sets40HQ 13.Other Accessories: basket, bell, mirrow, carrier Material, Stype, Color and Package also can be down by customers’ request.