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In the latter half of the 1970s, Shimano, upon receiving news of a mountain biking boom in the west coast of the United States, assigned members from the Japan headquarters to investigate locally. Experiencing the joy of it first hand, the members were confident in the potential of mountain biking and began the development of specialized components. The most challenging aspect was meeting the firmness required. The fact that these components would be used in unforeseen harsh environments, coupled with the e
