Here is everything you need to know about bicycle inner tube patches. The Two Types of Patches
These kits come with a small tube of "rubber cement." This isn't actually glue; it’s a chemical agent that melts the patch and the tube together into a single, seamless piece of rubber. Once cured, the patch is often stronger than the rest of the tube. How to Patch a Tube in 5 Steps Bicycle Inner Tube Patches
The cut is a long "snake bite" (two parallel slits caused by hitting a curb). The tube is already covered in more than 3–4 patches. Here is everything you need to know about
If you want a repair that lasts, follow this process for a vulcanizing patch: How to Patch a Tube in 5 Steps
Spread a thin, even layer of the fluid over an area slightly larger than the patch. Wait 2–3 minutes. The fluid needs to be "tacky" or nearly dry to the touch before you apply the patch.
Before putting the tube back in, run your fingers carefully along the inside of your tire. If the thorn, glass, or wire that caused the flat is still stuck in the tire, it will pop your newly patched tube instantly. When to Toss the Tube
Before you start, you need to know which tool you’re using.