Step 1: Materials and Tools
Contact Cement (500ml or less)
Sandwich bags (1-2 per kit)
Sand Paper (1 square inch per kit) - optional
Old Inner tube (1 will do)
Spoon (disposable hopefully)
hammer and/or tin opener (or COLD chisel) to undo and do up the contact cement can.
Be careful when opening the can and read and follow the warning label on the contact cement.
Note if you're not using sand paper use sand from the location you're in instead, if you're location doesn't have any sand or gritty substances make sure to pack the piece of sand paper.
Step 2: Cut to Size
Step 3: Package Contact Cement
Step 4: All Together Now
Step 5: How to Use
1- locate hole, this patch will only work on small holes so if your whole tire is blown up then you'll need a new one. The best way to find a leak is to first take the tube out of the bike, just like replacing a tube. Pump the tube up a little bit, listen and feel for ware the air is escaping. Run the tube around your ear when you hear something, move the tube down a little so you can feel the air on your cheek. A faster but less trail side way is to submerge the slightly inflated tube and look for bubbles. Also be sure to check the inside of the tire to avoid a re-puncture by the same object, mark with chalk (or mud) the location of the tire .
2- scratch up the patch and the tube, sandpaper is best but just plain sand or gravel can also do the job. Roughen up the area around the hole and the back (white) side of the patch.
3 - contact cement. Apply a little cement to the back side of the patch and the tire tube, less is more in this case just a thin layer will do. Next wait for the cement to get sticky, once it is sticky apply the patch. For more detailed info on how to use contact cement see back of the tin.
4 - wait a bit and then re-insert the tube into the tire and pump up, these patches if done correctly can last for years. One of my friends ran on four patches for two years, before selling the bike complete with patches.