Kenda 18" Standard Inner Tubes are made from high quality Butyl Rubber and come in a various range of sizes from 10" up to 29". Kenda inner tubes also have the option of either a Presta or Schrader valve. Presta Valves can also be available in different lengths dependant on tube size. Schrader can also be available in different angles in smaller sizes. Wall thickness: 1mm
