3 mysterious flat tires in past month... whats happening?

[j1o]

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[ayton]

check your valve stems.

[///MacDaddy]

Lemme guess.....right rear tire???

[BEAT'EM3]

My left rear tire is very better than my right rear one, why am I almost on flat on right?
Is it beacause my right side is lower than the left?

[Bernanke]

Have you seen any black cats cross the road, walked under any ladders, or opened umbrella's indoors? if so that may be the solution to the problem ;) :D

[ZimDoc]

From all the Bikers (non motor) Say that flats come in 3's. And you should never say Flat. but I think typing it is ok.

[chiefm3]

Back in the day, when I used to work in a tire a shop, flat tires were typical with aluminum rims. Albeit you are on the west coast, over here on the east coast, in the salt ridden winters, the oxidation on the rims can be very bad, and build up right where the tire seals against the rim. After a while this build up is great enough to cause a leak....

I used to have to grind them (rims) clean all the time, and after that, good as new.