本文件旨在提供适用于任何类型自行车（城市、徒步、MTB、青少年和赛车）任何部件和总成的创新要求和试验方法。其目的是提供技术解决方案，以减少部件故障和骑手受伤的风险，在指定的使用这种自行车。 本文件参考了通过发布EN ISO 4210系列标准在欧洲标准化委员会（CEN）层面达成的自行车领域的最新标准。因此，本文件中提出的要求和试验旨在按照适当的EN ISO 4210标准进行阅读和应用。 注:本文件中描述的试验参考适用EN ISO 4210系列的条款编号。

The purpose of this document is to provide innovative requirements and test methods applicable to any components and assemblies of any category of bicycles (city, trekking, MTB, young adult and racing). Its aim is to provide technical solutions that reduce the risk of component failure and rider injury during the specified use of such bicycles. This document makes reference to current “state of the art” standards in the field of bicycles, agreed at CEN level through the publication of the EN ISO 4210 series of standards. Therefore, the requirements and tests proposed in this document are intended to be read and applied in accordance with the appropriate EN ISO 4210 standard. NOTE The tests described in this document refer in places to clause numbers from the applicable EN ISO 4210 series.