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Helmet Delamination

I recently purchased a new road helmet – a Giro Saros in white/silver. I know the commonly accepted practice is to replace your helmet every three years, and my previous helmet was getting closer to 7 years old!  I’m quite certain the helmet is still safe, and that the three year recommendation is largely due to helmet manufacturers trying to sell more helmets! However, since it is a (relatively) inexpensive piece of safety equipment, it certainly is better to be safe than sorry.

Giro Saros

Giro Saros

What I do want to talk about is the lesson I learned with my previous helmet, and hope to avoid in the future. A couple of years ago, I noticed that my previous (also Giro) helmet started to delaminate; that is, the outer clear ‘shell’ started to peel away from the rest of the helmet. At first, I thought perhaps I had a faulty helmet, but then I read something that made a lot of sense:

Keeping your helmet in your car in the summer can cause it to delaminate!

The temperature in the car can get very high, and this is enough to cause the adhesive to weaken and your helmet to delaminate! I actually read the owners manual on the new helmet, and it even specifically mentions this issue. The lesson here is to never leave your helmet in the car! I’m going to try to remember this from now on, because even if helmets are relatively inexpensive, they’re still not cheap!

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