Patching an Inner Tube

Patching an Inner Tube

Got a flat tyre today. I’ve found 2 holes on the rim side of the inner tube. So, the culprit should not be from the outside.

Punctured bicycle Inner tube

Inner Tube Holes found on Rim Side

Is it that something’s wrong with the rim or the rim strip? But they seem OK. There is no noticeable sharp edge.
bicycle rim tape

Anyway, It’s a good chance to practice patching the inner tube.
punctured inner tube about to be patched

Hope it’s going to work. Fingers crossed! (See the result in Patching an Inner Tube – 2nd Attempt)
A patched inner tube