Meding A Puncture

The first step is to remove, without damage, the inner tube from the outer cover. In order to do this, unscrew the nuts in the valve holder of the inner tube, remove the valve and place it where it can be easily found. With a tyre lever, carefully lift the wired edge of the outer cover and lever it clear of the rim of the wheel. Blevopedia. Keeping this lever still in position, insert a second lever a little farther along the outer cover. Lever the wired edge over the rim of the wheel at this point. Enough of the wired edge will now be lifted clear to allow the rest of it to be levered off easily. The whole of the one side of the outer cover is thus lifted off the wheel rim. The valve holder can now be pushed through the hole in the rim, and the inner tube take out.