There isnt a tube like in a bike tire, The pressure inside the tire itself seals it around the rim. You might want to check to see if you have a bend on the edge of the rim from smacking a pot-hole or something of that matter. I had a slow leak once and that was the problem. Hope this helps.
2000 SVT contour Black w/tan int. http://www2.gvsu.edu/~hafnerb/11h/car.jpg
#1633/2150 born 11/22/99
-Mirko Racing Front Splitter
-Meg's 3 1/2" slick tips
-Resonator Removed
-LED turn signals, brakelights
-fog light fix + 55w bulbs
-KKM cold air intake
-Ford racing blue 9mm wires
-MANY mods to come shortly!
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