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The thread on Arai helmets got me thinking about the question of helmet replacment in general.
I bought an Arai Signet GT when my Shoei RF-700 became very loose fitting. I also noticed that advances in helmet technology had produced new helmets which were much lighter than the RF-700, which I believe is about mid '90's technology.
I am curious how often others replace their helmets and for what reasons. Is there any truth to belief that sunlight causes the energy absorbing foam layer inside the helmet to deteriorate over time? I would think the painted surface of the helmet would prevent this.
I bought an Arai Signet GT when my Shoei RF-700 became very loose fitting. I also noticed that advances in helmet technology had produced new helmets which were much lighter than the RF-700, which I believe is about mid '90's technology.
I am curious how often others replace their helmets and for what reasons. Is there any truth to belief that sunlight causes the energy absorbing foam layer inside the helmet to deteriorate over time? I would think the painted surface of the helmet would prevent this.