2012 hot sell export children bicycle 16 1.size:12-20" 2.CCC certificate, OEM ... 2012 hot sell export children bicycle 16 kids bike descriptionsize of kids bike12", 14", 16",18",20"color of kids bikered, ... handle,steeltyre of kids bike12"x1.75, 14"×1.75,16"x1.95, 20"x1.75 or1.95chain wheel & crank ... of kids bike12" 24Tx89, 14" 24T×88, 16" 28Tx102, 18' 28T×102, 20" 28Tx127 CP/EDcrank of kids ...