This document specifies safety requirements and test methods for single and multi-axle cargo trailers and their connecting devices. This document applies to cargo trailers with a maximum gross vehicle weight of 600 kg. This document is not applicable to trailer for transportation of passengers, usually children and for type of trailers which use fifth wheel for connecting to the front cycles as listed in the Table 1 in this document. Table 1 - Types of cycle trailers Type of trailer Applicability of this document Multi track single axle Applicable Multi track multi axle Applicable Single track with single axle or multi axle Not applicable Fifth wheel trailer with single axle or multi axle Not applicable Usage Cargo Applicable People/children/pet Not applicable NOTE Requirements and test methods for electrical assistance for electrically assisted cargo trailers are covered by prEN 17860-5:2023.