Book Description

This document specifies the security and performance requirements for the design, assembly and testing of bicycles and their components with various saddle heights (see Table 1). It also provides technical guidelines for manufacturers to prepare operating instructions for bicycle use and maintenance. This document applies to youth bicycles with a maximum saddle height greater than or equal to 635 mm and less than 750 mm, city and trekking bicycles, mountain bicycles and racing bicycles with a maximum saddle height greater than or equal to 635 mm, including folding bicycles (see Table 1 and Figure 1) and shared bicycles. This document does not apply to special types of bicycles, such as: delivery bicycles, recumbent bicycles, tandem bicycles, small-wheel competition bicycles and bicycles designed and assembled for riding in demanding conditions, for example, approved bicycles for competition, performance or stunt categories. NOTE: For bicycles with a maximum saddle height less than or equal to 435 mm, see GB 6675.2. For bicycles with a maximum saddle height greater than 435 mm and less than 635 mm, see GB 14746. Table 1 -- Maximum saddle height mm Bicycle type City and trekking bicycles Young adult bicycles Mountain bicycles Racing bicycles Maximum saddle height H ¡Ý635 ¡Ý635 and <750 ¡Ý635 ¡Ý635 GB 3565.2-2022 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery. Page 10 of 56 Keys: H - maximum saddle height 1 - minimum insertion-depth mark 2 - ground plane. Figure 1 -- Maximum saddle height