... steel 3.competitive price 4.size:12" 16" 20" 12 inch baby bicycle 1. Rim Size: from 12" 16" 20"2. Bike ... steel and painting, co2 welding steel /suspension fork4. Rim: 12" 16" 20" steel alloy or aluminum5. Handlebar and stem: ... air tires or EVA tire7. Chain wheel & crank: 12"24T×89/1628T×102/20"28T×127 CP/ED8. ... pcs ; 16 950 pcs 50% skd, 1pcs 1 carton, 12 1875 pcs ; 14 1500 pcs ; 16 1225 pcsOther:popular ...