Frame cross section: round steel, dia.:48mm, angle steel, 32mm*48mm Color:Red, Blue, Yellow, Black Suitable for ages ... -4, dia.:25cmN.W:19kgG.W:21kg Frame material: round steel and angle steel welding by argon-arc with non-lead environment parched ... powder.Frame cross section: round steel, dia.:48mm, angle steel, 32mm*48mmColor:Red, Blue, Yellow, BlackSuitable for ages ...