The World's Largest Online Bike Store
    • Dr Sludge Self Sealing Inner 20" Tube

        • $8.99 8.99
        • RRP $10.99
        • Save 18%
    • Select Valve
      Select Wheel Size
      Select Width
      1.75 - 2.125"

Dr Sludge Self Sealing Inner 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 cost $9.99
  • Delivers toUnited States of America
  • 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 fitted.

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


  • Wheel Size: 20"
  • Width: 1.75 - 2.125"
  • Valve: Schrader

Tubes Buying Guide

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

When buying Tubes also consider...

Also Recommended...