• This was a new one on me. Went to finally install some new Specialized Roubaix tubeless and couldn’t work out why one of them was deflating slowly. Stuck it in the sink to find the tiny leaks in the sidewalls. The tyres have been in storage for 6 months, but this surely isn’t normal? So now my options are A) go old school and tube it or B) say hello to my sealant friend.


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  • How slowly are they deflating

  • Pretty sure Spesh roubaix tyres are only 'Tubeless ready', rather than proper tubeless, so they dont have an airproof inner liner. Ergo, they need to use the sealant to seal the interior and sidewalls, so they will leak for a bit first time and you need to use more sealant than usual.

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