Just curious...one answerer (in response to another question) said he buys 'em by the 1/2 dozen, and we've all gone thru a bunch, but how many? I'm interested here in adult road bikers who, just to put a number on it, pedal at least 50 miles/week either for fun or to work. I've probably put on 8 patches and bought 5 tubes in the last 12 months.
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