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Dr Sludge Self Sealing Mountain Bike Inner Tube 26" 1.5" to 2.1"  Presta Valve

This 26" 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 mountain bikes with standard 26" wheels. Weighing only 90 grams more than a standard inner tube, it wont slow you down.


  • Self Sealing tube Prevents flat tyres
  • 26" Mountain bike wheels from 1.5" up to 2.1" width
  • Seals punctures instantly up to 3mm diameter
  • Inner tube and tyre will not stick together
  • Presta (High pressure) valve
  • Weight only 310 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.