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Show Does the Valve Leak? It Is nil i.isy matter to discover whether the tire valve leaks or I not If yon know the little kink Itcmovo the cap and, lmvlng the I wheel turned so the vahe Is I right at tho top, set up over the I valve stum a bottle, a glass con- I talner of any sort, filled with wn ter. If there Is a leak, of course I the bubbles will Indicate It. Try I It with the cap on and with the I cap off. Vou may find that a I valve you thought all right Is I the sole cause of a tire constant I ly getting soft without apparent I cause. The tube that shows no I leak when taken out and Im I mersed In wuter, vnlvo nnd all. I may leak through tho valvo I slowly when In the shoe nnd I pumped up.tp riding pressure So I this little kink Is well worth re- I mcmberlng. I - , |