baby carrier 1.Rim size :from12"16"20"2.Bike frame :steel and painting,thicker argon-arc welding/CO2 welding3.Bike fork: steel and painting,co2 welding steel/suspension fork4.Rim :12"16"20"steel alloy or aluminum5.Handlebar and stem :CP,argon-arc welding 22x0.8-1.2mm6.Tyre:12"x1.75,16"x1.75,20"x1.75or1.95 2.125 air tires or EVA tire7.Chain wheel &crank:12"24Tx89/1628Tx102/20"28Tx127CP/ED8.Crank:CP or ED or UCP9.Brake:F/R caliper brake or R brand brake10.Flywheel:16T/18T/20T brown/black/CP11.Mudguard:steel,painting or CP12.Chian:full chain or 9-form chain cover13.Pedal:plastic,with reflector,without ball,PP/TPE/ALLOY14.Saddle:good leather,common or spring/plastic/imitation leather/plate PVC TOP15.Grips:PVC/TPR/RUBBER FOAM16.B.Bparts:3pcs B.B axle B.B cup17.Paint:3x/4xpainting18.Color:red black,blue,green,yellow ect.any color you like19.Attachments:bag,helmet,flag,the covers of the wheel,training wheels20.Packing:export standard packing SKD/CKD/AB 85%SKD/50%SKD 1PCS/CTN or 4PCS/CTN21.Green paint is good for health22.We can manufacture the bag.the helmet and the cover of the wheels to match the bikes23.Can make the new sticker according tocustomers' demands