• I'm fucked if I can get my g-ones to hold pressure. I'm still building the bike so there's no sealant in there, but I rather thought they should seal without it- hopelessly naive?

  • In my limited experience, tyres have sealed without goop.

    How long do they stay inflated?

  • In my limited experience, tyres have sealed without goop.

    How long do they stay inflated?

  • Do they "clunk" into place when you put air in? If not add another layer of rim tape. Though I can't think of a good reason not to use sealant. I built one of my Isen wheels last week and mounted the tyre first time, then added sealant and it has remained at pressure since then.

    It's a GOne on the hookless lightbicycle rim

  • I've never had a tyre hold pressure for more than half an hour without sealant. Even if it pops onto the rim, it'll still leak pressure until the sealant forms a layer on the tyre bead.

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