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What on earth are you doing for Heaven's sake? -Unknown |
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These Q-Tubes presta valve tubes are sturdy enough to take punishment from even the toughest bike rides. . . . Thorn Resistant tubes have a thick 4mm tire side rubber along with a thinner but still tough 2mm rim side rubber. . Same type of valve that is used on cars. . Meet State and Federal lead level requirements for use on children's bikes. . 708752042438 29251100006 TU7054