The Tire and Rim Association, Inc. (TRA) is the leading standardizing body for the tire, rim, valve, and allied parts industry in the United States.
Established in 1903, TRA's primary objective is to establish and promote interchangeability standards for tires, rims, valves, and related components. Their standards are published in various industry-specific publications, including the Tire and Rim Year Book and Aircraft Year Book, ensuring consistency and compatibility within the industry.
Generated from the website