Join Date: May 2009
Bikes: Trek 2.3, Trek FX-7.3
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I think you're being a bit paranoid. I, for one, would never assume that a just letting the air out of someones tire would disable the bike. Most commuters carry spare tubes, pumps, patch kits, etc.
I've had a couple of flats at work. I usually make a point of going over to the storage area (which is inside our offices) sometime after lunch just to see what the tire pressures are like. If one of the tires is flat (or even just a little soft), I swap the tube out for the spare that I keep in the office (I also have one in my seat bag).
I then blow up the old tube and find the hole (BTW, whiteout works great for marking holes) and patch the tube. Once the tube is patched, I blow it up to a reasonably large size and leave it in the corner. If the tube is still solid the next day, I deflate it and it becomes the "office spare". Otherwise I stop at the bike shop on the way home and get another tube. So far this has only happened when the failure has been too close to the valve to patch.
Last edited by mr_antares; 07-27-09 at 06:25 PM.