| 摘要 |
<p>A control system 68 for an automatic shifting bicycle transmission includes a control unit 78, a display device and a remote switch assembly. The remote switch assembly is positioned close to a handgrip location. The remote switch assembly is used to shift gears when the bicycle is manually operated and to control data entry and review.</p><p>The control unit communicates with a memory location. The memory location stores a plurality of shift tables. The control system uses the information in the shift tables to shift gears with a powered shifting device. The powered shifting device can be manipulated using shift switches in a manual operating mode. The shift switches also are used to switch between the plurality of shift tables.
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