A speed changing device includes a control unit (60) that: has a manual mode in which a clutch is engaged and disengaged by operating a clutch lever (4b) and an automatic mode in which the clutch is engaged and disengaged without the clutch lever (4b) being operated and is able to change a setting to the manual mode and the automatic mode; and is configured to signal mode misrecognition when it is determined that mode misrecognition has occurred.
SPEED CHANGING DEVICE
2020-11-05
Patent
Electronic Resource
English
Light-weight speed changing device and bicycle adopting light-weight speed changing device
European Patent Office | 2015
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