CONFIGURATION FOR CONTROL OF SHIFTING DEVICE, MODE OF THE SHIFTING CONTROL AND BICYCLE WITH SHIFTING DEVICE

摘要

A bicycle 10 features an automatically shifting transmission 24. The shifting is controlled by a controller. The controller has a number of ranges that comprise a subset of the available gear steps. The operator of the bicycle can select an appropriate range and the controller shifts gears within the range depending upon a preset map of bicycle speeds and gear steps. The operator can select other ranges as desired by upshifting or downshifting. The controller also has at least one cruising mode that decreases the likelihood of inadvertent shifting during operation of the bicycle 10 at speeds within a preset range of speeds. In addition, the controller has an elapse mode that further reduces the number of available gear steps in a range during resumed operation after slowing below a preset speed or stopping.