scope:

This Standard specifies frame-fork assemblies to be used for bicycles for general use, bicycles for young children and motor assist cycles specified in JIS D 9111 (hereafter referred to as "frame-fork assembly"). This Standard does not apply to frame-fork assemblies used for tricycles in the category of motor assist cycles. However, the test procedures specified in this Standard may be applied, using necessary jigs, to frame-fork assemblies for tricycles in the category of motor assist cycles with respect to the frame strength.

For those frames having a swing mechanism, each test shall be performed with the swing mechanism being locked.