kid\\\'s bicycle Product description: Handle bar swallow type, length--46cm, tube thickness-0.9mm, ... .95—2.125 black Inner tire rubber, English type valve, specification--1.95—2.125 black Rim iron ... plastic, with reflector black Chain cover iron, F type Paint chain thickness-0, blueness treat Back box ... iron ring Cook yellow Side-wheel support iron, as S type, thickness-2.5mm ED Side-wheel plastic Frame ...