RMA revises motorcycle rim bulletin

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Monday, July 9, 2012
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Washington, DC - The Rubber Manufacturers Association revised its Tire Information Service Bulletin (TISB) Volume 28, “Never Mount Passenger Car Tires on Motorcycle Rims Fitted to Motorcycles or Sidecars.” The recently revised bulletin cautions against installing passenger tires on motorcycle rims. It explains that motorcycle tires and corresponding motorcycle rims are designed with a bead seat diameter and flange contour that are different than passenger car tires/rims, therefore any attempt to mount a passenger car tire on a motorcycle rim may cause inflation pressure loss or the beads to break with explosive force. The result could be serious injury or death. “Not every tire is meant for any rim,” said Charles Cannon, RMA president and CEO. “Caution needs to be taken to ensure motorcycle tires are mounted on motorcycle rims only,” he continued.