DIN 33946
Bells for bicycles and mopeds - Requirements and testing
Glocken für Fahrräder und Fahrräder mit Hilfsmotor - Anforderungen und Prüfung
Overview
This standard specifies requirements for the sound pressure level and durability, as well as the appropriate method of measurement for bells, that are fixed to bicycles and to certain types of bicycles with auxiliary engine. This standard (DIN 33946:2009) has been prepared by German Working Committee NA 112-06-02 AA "Fahrrad-Zubehör" ("Accessories for bicycles") of the Sports Equipment Standards Committee (NASport) at DIN.