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Cycle Maintenance - Patching an inner tube

an easy task

There are two types of patches available. One, the traditional patch which requires glue, is the best. The other, self adhesive, is not worth playing with as they do not last as long, cannot hold the pressure, and the glue has often failed before you even get time to use them!

First identify the hole which requires patching. With sandpaper roughen the inner tube around the hole for the whole area that the patch will cover.

Liberally apply glue to the roughened area, and allow it to dry. This can take between five and ten minutes.

Remove the backing from the patch (if it is the real traditional patch of rubber you need to cut to size, donít forget to round the corners off). Making sure you have correctly aligned the patch (it is not re-positional) press it against the glued tube. Firm the patch against the tube for its entire area, and then leave for a time. If it is possible to place this under pressure, under a heavy book for example, than I feel this is beneficial, but not essential.

Once the patch has been left for some time it is almost as good as the original tube. I do not recommend inflating the tube to pressure outside of a tyre for some time after the repair, but I do know that an old patch can sustain this pressure.


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