prEN 1621-4

Motorcyclists' protective clothing against mechanical impact - Part 4: Motorcyclists' inflatable protectors - Requirements and test methods

Publication date:   Aug 21, 2025

Scope

This document covers requirements and test methods for mechanically activated inflatable protectors for motorcycle riders (in the following text called inflatable protector). It specifies the minimum level of protection, the minimum intervention time for the airbag system and the minimum coverage body zone to be protected by motorcyclists' inflatable protector worn by riders. The requirements of this document are applicable to various design of inflatable protectors and refer to all body areas and their combinations, which are claimed to be protected. Requirement of this document are applicable to airbag system, to the specific hosting garment (or textile restrain system) and to the mechanical triggering system.
This document contains the requirements for assessing the performance of airbag system, specific hosting garment (or textile restraint system), and mechanical triggering system during an accident and details of the test methods, requirements sizing, ergonomics, innocuousness, labelling and the provision of information.
This document is not applicable to pre inflated protector. Inflatable protectors other than mechanically activated are not covered by this document.

Related legislation

Legislation related to this standard