multimodal commuter
Join Date: Nov 2006
Location: NJ, NYC, LI
Posts: 19,808
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
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In my experience it's hard to know whether a tube will have a removable core. Internet sale pages often lack detail.
But aside from that, I have two questions for those who put sealant in their tubes:
1. When the sealant does its job and seals up a leak, is that flat now fixed? Or will it open up again if you run out of sealant?
2. Can you patch a tube that has sealant in it? I tried this a dozen years ago, using Slime tubes, and it didn't work. Something about the Slime sealant.