Losing tyre pressure through jumping?

hairysaddlebags
hairysaddlebags Posts: 17
edited October 2018 in MTB beginners
Basically, wondering if I've got a slow puncture or something else.

Got the bike out to commute to work this morning and not long after I'd started off I noticed the back tyre pressure was very low. I pumped it up using a hand pump and it got me into work ok.

The last time I used the bike was on Sunday when I went round some fairly tame trails at Sandwell Valley, but I spent a fair while practicing getting some air.

TL;DR - can getting air cause tyres to lose pressure?

Comments

  • thistle_
    thistle_ Posts: 7,218
    Are the tyres tubeless? If they are, they could be burping when you land.
  • Killerclown
    Killerclown Posts: 110
    Tubeless can ‘burp’ if you land hard enough. If you’re running with inner tubes It’s possibly just a tiny pin prick puncture, and you’ll have a job finding it, without taking the tube out and dunking it in water, or slathering it with saliva. Or it could be something like a leaky valve.
  • hairysaddlebags
    hairysaddlebags Posts: 17
    Tyres aren't tubeless.

    I'll check pressure again at lunch time and if it's gone down again I can just pop to a bike shop for a new inner tube. (yes I know I should carry an inner tube as part of my kit)

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