Thread: How long does it take you to fix a flat?
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Old 05-31-19 | 03:00 PM
  #63  
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JohnDThompson
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Originally Posted by deephate
I miskeyed I meant to say I don’t use the Presta NUT.
Originally Posted by seamuis
Its only real purpose as far as i know is to keep the valve secure when using it in a rim that has a hole that’s too big. It helps if you’re using a small ‘mini’ pump, because using those is usually pretty stressful on the valve, the way they’re designed.
It also prevents the valve stem from disappearing into the rim when you push the pump chuck onto the valve.
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