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The official guidance for life jackets is 10 years. https://www.secumar.com/en/servicing/ https://www.secumar.com/en/servicing/ For bike helmets, independent
by semi-extrinsic 7y ago
The official guidance for life jackets is 10 years.
https://www.secumar.com/en/servicing/ https://www.secumar.com/en/servicing/
For bike helmets, independent safety labs have actually done the science and found no measurable deterioration in impact testing nor material properties with helmets as much as 26 years old. (Link to journal paper at end of summary linked below.)
https://helmets.org/up1505a.htm https://helmets.org/up1505a.htm