Rubber inner tubes with Standard Schrader or Presta valves to fit small BMX and mountain bikes, road racing and touring bikes, and most mountain bikes as well as mountain bikes with larger tyres. Includes valve and dust cap. Rubber inner tubes with Standard Schrader or Presta valves to fit small BMX and mountain bikes, road racing and touring bikes, and most mountain bikes as well as mountain bikes with larger tyres. Includes valve and dust cap.