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Dr Sludge 700c Puncture Resistant Tube

700c / 19mm / 25mm / Presta
$7.93
RRP: $10.65
Save 26%
In stock
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700c / 28mm / 35mm / Presta
$7.93
RRP: $10.65
Save 26%
In stock
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Dr Sludge 700c Puncture Resistant Tube
  • Next Day & World Wide Shipping
  • Excellent Customer Service
  • Buy in Store
Code: 2483
  • 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 - completely harmless
  • Inner tube and tyre will not stick together
  • Will not dry out regardless of outside temperature
  • Every inner tube is individually tested before leaving the factory
  • Presta valve available

Shipping charges for this item to United States: $8.00

Spend $79.98 or over and get free shipping
  • Estimated delivery transit time: 5-10 Days
  • Royal Mail Std. Airmail 5-10 Days: $8.00
    Royal Mails standard Airmail service. Worldwide delivery at a very good price, no tracking. Handed over to your countries own national delivery service once past customs. Delivery time - allow up to 10 days for non EU countries
  • Royal Mail Priorty Airmail 4-8 Days: $16.00
    Royal Mail international serivce is the quickest and best service for small parcels. For Europe please allow 3-7 days, for Australia, USA, Canada, Japan and other countries the service is normally 4-8 working days. This service allow some tracking and requires a signature.
General information about our shipping
**** on 13/08/2013

DR sludge is a bit more heavy than normal tubes. But it worth it, specially for training in rainy conditions.

***** on 09/05/2013

Very difficult to inflate for the first time. So far not had a puncture to see how good they are but other reviews are promising.

**** on 17/04/2013

Been using these for a few weeks and not one puncture yet, hard to say if it's due to these or good luck.
They're fitted to my wife's commuter roadie bike, and she covers 18 miles a day on country roads, which are often covered in farm muck/hedge clippings etc.
Difficult to get air in to at first as the sludge stuff seems to bung up at the valve core, so if you' re fitting some, do yourself a favor and pop the valve core out and clear the build up of sludge in the tube with a non sharp implement. I gently worked a philips screw driver through the build up.
A lot cheaper than a tubeless tyre kit, and definitely worth a try if you're sick of punctures.

**** on 08/01/2013

If you get a puncture then the tire may deflate, but pump it back up again and it's as good as new - magic!

On the down side the sludge can also seal the valve and it may be difficult to pump the tyre up, even with a track pump.

**** on 29/08/2012

The tubes were initially difficult to inflate, even with a track pump. The pressure needs to be built up in the pump before air will start to inflate the tube.

I need to use them for longer to know whether the sludge does it's job.

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