Originally Posted by
chasm54
Something is there, either lodged in the tape or in the tyre. It's possible that the tube is twisted so what you think is the inside is, in factthe outside. Or there may be a little shard of alloy protruding from the rim.
Risk lacerating your fingers by running around rim, tape and the inside of the tyre. You'll find it.
Yep. Always check the inner lining of the outer tire after a flat. Odds are a wire bit or piece of glass is lodged in there.
BTW, ever since I switched to Kevlar tires I haven't had a flat--2,000-3,000 miles at least.