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Joe’s No-Flats Super Sealant


SO GOOD
Joe’s is the cheapest sealant here but it does the job. It’s on the thinner side, which allows it to coat the inside of the tyre nicely but remain mobile enough to fill any holes.

It deals with sidewall punctures fairly swiftly as a result. Our testing involved puncturing the tyres with increasingly bigger screwdrivers, and the Super Sealant did manage to plug a hole made by our biggest 6mm tool. The seal broke once we pumped the tyre back up to 20psi though.

NO GOOD
Many of the holes that it plugs still leak slowly afterwards. You need to shake the bottle more vigorously than the others here to get the particles mixed in.

Price 27$ for 1l
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