ISO 21634:2022

This document specifies requirements and test methods for tube-type tyres in automotive vehicles that require rubber flaps, in order to ensure they are protected against damages to the inner tube caused by the rim or tyre. This document is applicable to tyres for road vehicles. It does not apply to 2/3 wheeler and non-road tyres. Requirements and test methods for rubber flaps for non-road tyres are provided in Annex E.