Quote:
Originally Posted by Fuzz
Pull the tube out, keeping track of it's orientation and location using the valve stem for reference. Same with the tire. Pump it up, and then move your face around it so you can hear/ feel a leak on your cheeks (more sensitive skin than your hands). When you find the puncture, reference back to the rim and tire location and look for anything sharp.
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If that doesn't work, pressure up the tube again and submerge in water (bathtub or other smaller tub) slowly inspecting the tube looking for bubbles. Sometimes the tube valve/stem is the culprit - whether it's the valve is pooched or the stem where it meets the tube is fubared. Once you find the slow leak... dry off the tube, patch it (if possible), and find the corresponding area on the inside of the tire and rim. Use bare fingers and slowly feel over the various surfaces going in both directions. Or just do what any sensible person does and just buy a whole new bike. N+1 is the name of the game.
