2 INNER TUBES 700 x 35/38 / 43C Schrader Valve adult bike City bike bicycle | ECA28ACD

700 x 35 / 38 / 42 C (28 x 1 5/8 x 1 3/8) (28 x 1 5/8 x 1 1/2) (28 x 1.60) (28 x 1.75). Schrader valve (American). For city bike etc. The inner tube is puncture-proof, made of butyl, a kind of synthetic rubber which is very elastic and at the same time air-tight. Depending on the compounds used, different product qualities can be achieved: the inner tubes have extreme characteristics in terms of air tightness and elasticity and can be used for a wide range of tyre sizes.