BS ISO 6699:2016规定了确保安全组装的尺寸和公差 在自行车的车杆和车把中心之间。本国际标准适用于公共道路上使用的自行车，且 鞍座可以调整，以提供635毫米或更高的鞍座高度。本国际标准不适用于特殊类型的自行车，如商人自行车 交付自行车、吊篮、玩具自行车以及设计和配备用于受制裁区域的自行车 比赛项目。交叉引用:ISO 4210-2:2015购买本文件时可获得的所有现行修订均包含在购买本文件中。

BS ISO 6699:2016 specifies the dimensions and tolerances to ensure secure assembly between the stem and the handlebar centre of a bicycle.This International Standard is applicable for bicycles intended for use on public roads, and on which the saddle can be adjusted to provide a saddle height of 635 mm or more.This International Standard is not applicable for specialized types of bicycle, such as tradesmen's delivery bicycles, tandems, toy bicycles and bicycles designed and equipped for use in sanctioned competitive events.Cross References:ISO 4210-2:2015All current amendments available at time of purchase are included with the purchase of this document.