1.1 该分类涵盖自行车使用条件和识别该系统内使用的自行车和部件的方法。 1.2 以国际单位制表示的数值应视为标准。括号中的值仅供参考。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 4.1 该分类为自行车行业提供了一套统一的使用定义。该分类中包括一组图形指示器，用于向零售商和消费者提供特定自行车或售后市场部件的预期用途指示。

1.1 This classification covers bicycle usage conditions and a method of identifying bicycles and components for use within that system. 1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 4.1 This classification provides a uniform set of usage definitions within the bicycle industry. Included within this classification is a set of graphical indicators to provide retailers and consumers with an indication of the intended use of a particular bicycle or aftermarket components.