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公开(公告)号：US20220234684A1
公开(公告)日：2022-07-28
申请号：US17719174
申请日：2022-04-12
Applicant: Shimano Inc.
Inventor： Akinori HASHIMOTO , Takuya MASUDA
Abstract: A master bicycle electric component includes a bicycle mounting part. The master bicycle electric component includes a master two-way wireless communication unit configured to wirelessly receive update information from an external terminal device that is not mounted to the bicycle.
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