This document specifies safety requirements for exercise bicycles with a fixed wheel or without freewheel that have an inertia of >0,6kg·m2. The requirements are in addition to the general safety requirements of ISO20957‑1 , with which this document is intended to be read in conjunction.
Any attachment provided with the exercise bicycle with a fixed wheel or without freewheel for the performance of additional exercises is subject to the requirements of ISO20957‑1 .