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Self Sealing Dr Sludge 700x28-35c Inner Tube Car Valve



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Dr Sludge Self Sealing 700c x 28c-35c Car Valve

  • Contains a sealant to prevent flat bicycle tyres
  • Seals punctures up to 3mm in length
  • Harmless sealant works time after time

Sizing Information

  • This size of inner tube is used on cyclos cross (CX), touring, fixie/fixed wheel bike and some wider road bike tyres.
  • Car Valve (AKA Auto Valve or Schrader Valve)

 

These innertubes are compatible with the following ETRTO tire sizes:

Metric Sizes

700 x 28 = ETRTO 28-622
700 x 30 = ETRTO 30-622
700 x 32 = ETRTO 32-622
700 x 34 = ETRTO 34-622
700 x 35 = ETRTO 35-622

Imperial Sizes

28 x 1 1/8" = ETRTO 28-622
28 x 1.2" = ETRTO 30-622
28 x 1 1/4" = ETRTO 32-622
28 x 1 3/8" = ETRTO 35-622
27 x  1 1/4" = ETRTO 32-630

As you can see this tube will fit both the ETRTO rim sizes 622 and 630mm. You may know that rim and tyre sizes must match each other exactly, but due to the flexibility of an inner tube they can often fit more than one rim size.

Click to find out more about ETRTO tyre sizing and whether this is the right tube for your bike. 

 

 

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