• I'm Hiding 🇦🇺@aussie.zone
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    1 year ago

    I can guarantee the original caps aren’t airtight either. That’s not what they’re designed for. The valve is designed to be airtight. The cap only stops dust building up.

    • YAMAPIKARIYA@lemmyfi.com
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      1 year ago

      A good cap will keep a decent amount of air in and protect the valve from damage. I wouldn’t trust a 3d printed cap that I don’t know who made and how good their QC is. If I made it myself though I’d be less hesitant. Either way, it’s better to 3d print covers that go over the originals.

      • setVeryLoud(true);@lemmy.ca
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        1 year ago

        Bet.

        One of the tactics of the extinction rebellion is to open the stem cap, place a lentil in the valve, and screw the cap back on normally. The tire will deflate over the next few hours.