| 21. | By 1990 all of the foam-filled tires had been replaced with tubeless pneumatic types.
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| 22. | The steel-wheel business makes tubeless steel disc wheels in a facility in Frankfurt, Ohio.
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| 23. | This scared away sales to Ford as many people did not initially trust the new tubeless design.
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| 24. | Also in 2015 Zipp released an alloy rimmed, tubeless ready wheelset called, Zipp 30 Course.
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| 25. | The roadster was the first American car with tubeless tires, and it offered a removable fiberglass hardtop.
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| 26. | In 1963 Becker introduced the Monte Carlo, a tubeless solid state radio, with no vacuum tubes.
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| 27. | However, tires not designed for tubeless application do not have as robust a sidewall as those that are.
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| 28. | Several companies such as Michelin and WTB have their own similar system called " Tubeless Ready ".
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| 29. | Road Tubeless rims, like UST rims, have no spoke holes protruding to the air chamber of the rim.
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| 30. | More recently, tubeless clincher tires have become popular after their successful presence on mountain bikes for the last several years.
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