This part of ISO4210 specifies terms and definitions related to safety and performance requirements for the design, assembly, and testing of bicycles and sub-assemblies having saddle height as given in Table1. This part of ISO4210 does not apply to specialized types of bicycle such as delivery bicycles, recumbent bicycles, tandems, BMX bicycles, and bicycles designed and equipped for use in severe applications such as sanctioned competition events, stunting, or aerobatic manoeuvres. NOTE For bicycles with a maximum saddle height of 435mm or less, see ISO8124-1, and with a maximum saddle height of more than 435mm and less than 635mm, see ISO8098. Table1Maximum saddle height Bicycle type City and
trekking bicycles Young adult bicycles Mountain bicycles Racing
bicycles Maximum
saddle height 635 or more 635 or more and less than 750 635 or more 635 or more Dimensions in millimetres