20 x 4 0 inner tube straight valve Brouette a material known for its

a material known for its excellent airtightness and ability to maintain pressure over time

check the markings on your current tyres

50-inch tyre section width (ISO size: 350-6)

you can choose these inner tubes with complete confidence

a material well known for its excellent air retention and its ability to maintain pressure over time

20 x 4 0 inner tube straight valve Brouette a material known for itsList of compatible tyre sizes These bicycle inner tubes are designed to be fitted to large 20 inch tyres. If the size printed on your tyre sidewall appears in the list below, you can order these inner tubes with complete confidence. 20x4. 0 (98 406) 20x4. 0 (100 406) 20x4. 0 (102 406) 20x4. 0 (103 406) Cant see your tyre size in the list above? In that case, these inner tubes are not compatible with your bike. Have a look at our other 20 inch inner