変速機 (自転車)
1. Bicycle drivetrain systemsBicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels. Most also include some type of a mechanism to convert speed and torque via gear ratios.
Read “Bicycle drivetrain systems” on English Wikipedia
Read “変速機 (自転車)” on Japanese Wikipedia
Read “Bicycle drivetrain systems” on DBpedia
Read “Bicycle drivetrain systems” on English Wikipedia
Read “変速機 (自転車)” on Japanese Wikipedia
Read “Bicycle drivetrain systems” on DBpedia
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