1/6/2023 0 Comments Mass effect 2 helmetTwo of the first modern bicycle helmets were made by MSR, a manufacturer of mountaineering equipment, and Bell Sports, a manufacturer of helmets for auto racing and motorcycles. After many decades when bicycles were regarded largely as children's toys, many American adults took up cycling during and after the bike boom of the 1970s. More widespread use of helmets began in the US in the 1970s. ![]() This offered acceptable protection from scrapes and cuts, but only minimal impact protection, and was mainly used by racing cyclists. The dominant form of the helmet up to the 1970s was the leather "hairnet" style. A cycle helmet should generally be light in weight and provide ample ventilation because cycling can be an intense aerobic activity which significantly raises body temperature, and the head in particular needs to be able to regulate its temperature.
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