ČSN P CEN/TS 17946 (832148)

Die Annotation des Normtextes ČSN P CEN/TS 17946 (832148):

This document specifies requirements and test methods for helmets worn by users of speed electrically power assisted bicycles (S-EPACs). This document also specifies requirements and test methods for integrated visors in helmets worn by users of S-EPACS.
Requirements and the corresponding methods of test are given for the following:
- construction, including field of vision;
- shock absorbing properties;
- retention system properties, including chin strap and fastening devices;
- marking and informatio