I have a 2 month old road bike, with about 125 miles on it. Last week I got a new floor pump, my previous pump did not have a gauge on it, so I probably never fully inflated the tires.
I got the new pump, filled up the tires to 125psi and everything seemed fine. The next morning, flat front tire. I pulled the tuve and inspected it, puncture in the inner part of the tube. Replaced tube, only to have the same thing happen. I could not find why this was happening. Put in a 3rd tube - no problems.
Went for a ride, all was well. Parked the bike. The next day, flat rear tire. Same mystery as to why it's flat.
All I can guess is the rubber-band type rim strips are not thick enough to protect the tube from spoke ends at full PSI? Should I get some thicker cloth/other rim strips? Am I doing something wrong?