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Those of you that run UST systems, have no doubt lost a UST valve fixing a flat on the trail at some point. That's one reason we keep one of these in our repair kits at all times. The Mavic UST valve will replace any UST valve stem. It includes rubber O-rings and appropriate valve cap.

Tubeless 101: The Why and the How Explained.

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Mavic UST Valve Kit

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5 5

Bob Baldwin

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  • Gender: Male
  • Familiarity: I've put it through the wringer

These are perfect, with a removable core and included tool to take it out, you can add fluid without making a mess. You can also add air way quicker with a blowgun from a compressor, to instantly seat and seal. No leaks or complaints.