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Dr Sludge Self Sealing Inner Tube 700 19-25c presta

This 700c tube is loaded with a specially formulated compound, that forms a layer of sealant around the inside of the tube protecting it from punctures. This size is suitable for race bikes with narrow 700c wheels. Weighing only 70 grams more than a standard inner tube, it wont slow you down.


  • Self Sealing tube Prevents flat tyres
  • Suitable for 700/28" tyres from 19C to 25c
  • Seals punctures instantly up to 3mm diameter
  • Inner tube and tyre will not stick together
  • Presta (High pressure) valve
  • Weight only 190 grams

Useful Tips

  • Always remember to check your tyre for objects such as glass or thorns when fitting.
  • Ensure the wheel is rotated several times prior to use to allow Goo to evenly coat the tube.