... aluminium 2, High quality and competitive price 3, Fashional design baby bicycle:1,Rim size: 12'' 16'' 20'' steel alloy and ... , High quality and competitive price3, Fashional design4, Handlebar and sterm: CP, argon-arc welding 22 × 0.8-1.2mm5, Tyre:12 ... : 12''48T × 89/1628T × 102/20''48T × 127CP/ED7, Crank: CP or ED or UCP8, Brake: F/R caliper brake or ...