As lightweight tires age, the sidewalls can start leaking. Even new tires can leak from the sidewall.

Instead of manually rotating tires for hours trying to get them to seal, use this simple setup to automatically rotate the tires until they seal.

Basically, it's a small single chamber Rock Tumbler sold on Amazon or Harbor Freight for $49. Take a long 3/8 bolt and mount it at an angle on a piece of wood. Place wheel on the 3/8 bolt and it should lean to one side. Put the rock tumbler under the low side of side. Turn it over after an hour.

I just used some scrap wood to build it. Add some fresh sealant beforehand.

Link to Rock Tumbler: [ Ссылка ]

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