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SIRIM stands for Standards and Industrial Research Institute of Malaysia
The reason for this is to integrate more helmet volume with the cyclist's body so that engineers can better control how the air flows from the helmet to the shoulders or back in order to make the transition as smooth as possible and, therefore, generate less resistance
While some models may have a higher price or limited battery life, their features often justify the investment for riders who value both function and safety
It features a brown plaid design with a black and white laser-cut Double T emblem and a matching thick crossbody strap
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