Innertube 700 X 25/38c Presta Valve (Box 50)

A Perfect replacement for damaged or leaking inner tubes fitted to bikes with 700 size wheels. A great alternative to woods valves, no need for valve rubbers, new valves or constant re-inflation of your tyres, this presta tube can even be inflated with the same (narrow) pump adapter.


  • To fit bikes with 700 x 25 to 28c tyres.
  • Inflate with narrow pump adapter.
  • Standard Presta Valve.
  • Weight: 121g each
  • Quantity: Box of 50.
  • Installation

    1 Inflate with air to barely round inner tube.
    2 Mount one bead of tyre on rim of wheel.
    3 Insert tube into tyre inserting valve through hole in rim.
    4 Position rest of inner tube inside tyre.
    5 Mount the other bead into rim of wheel starting 6" from the valve using a tyre lever.
    6 Centre tyre and tube on rim of wheel and inflate to the pressure indicated on tyre wall.