• Dr Sludge Self Sealing Inner 20" Tube

      • Currently Unavailable
      • We’re very sorry but we don’t know when this item will be back in stock.

Dr Sludge Self Sealing Inner 20" Tube

Now pre-filled into inner tubes in the correct dosage.


  • Prevents flat tyres.
  • Seals punctures instantly up to 3mm diameter.
  • Works time after time.
  • Water based with anti-corrosion properties and is completely harmless.
  • Inner tube and tyre will not stick together.
  • Will not dry out regardless of outside temperatures.
  • Every inner tube is individually tested before leaving the factory.

Buy Dr Sludge Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Delivery costFREE
  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
  • Pay by PayPal, Bank Transfer or Card


Buying Guide

  • We've got everything you need to know in our buying guide.

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