Continental Supersonic inner tubes - flats
Two pinch flats within 500 miles of riding (tires are new Conti GP 4000 S). I always ride with about 110 psi (I'm 162 lbs).
Previous 4 years of riding - zero flats over same roads.
I'm going back to cheapo, heavy tubes.
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“Courage is going from failure to failure without losing enthusiasm." (Churchill)
"I am a courageous cyclist." (SpongeDad)