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Recent content by jbortell

  1. jbortell

    Ribs on the inside surface of tires

    I'm just wondering if there's any technical purpose to the ribs you see on the inside surface of car tires. Some tires have smooth insides, some have "leather look" textures, some have heavy ribbing. I would think they have a negligible impact on the stiffness of the sidewall for comfort purposes.
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