Quote Originally Posted by Veronica View Post
Did you check the tire, while it was off the rim, to find out what caused the initial flat? If the thorn, glass, whatever was still in it, it would puncture a new tube.

V.
I did. I ran my fingers inside and out, and found the offending wire/pin while I changed it the first time. I then checked it again to make sure that was the only one. It's a mystery. I still haven't changed it the 2nd time yet. Maybe tonight.