CSN EN 17406+A1 This document defines a classification of bicycle usage conditions and it provides a method of identifying bicycles and components for use within this system. This classification gives a uniform set of usage definitions within the bicycle industry and it includes a set of graphical indicators to provide retailers and consumers with an indication of the intended use of a particular bicycle or aftermarket components. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.
