Detailed Product Description aluminium bicycleSpecification12' flexable,foldable bicycleDouble chain drive,foldable,suspension6061 aluminium alloy foldable frame,handle,seat pillarAluminium foldable guide stem Zheng Xin, 12*1.75tiresHong Guang, foldable pedalWheel Top, aluminium cotter,chain wheelKMC,chainSamson, aluminium rimAssess, aluminium hubWu Xing , Fro:V brake;Re:Roller brakeY.S Paint , ...