| 摘要 |
PROBLEM TO BE SOLVED: To provide a sprocket for a bicycle, which can make a speed change operation smoother.SOLUTION: A sprocket 20 comprises a sprocket body part 30 that has the center RC of rotation, and a plurality of tooth parts 32 that are arranged at intervals in a circumferential direction on an outer peripheral part of the sprocket body part 30. The plurality of tooth parts 32 include at least one displaceable tooth 40 capable of being axially displaced at a gear change.SELECTED DRAWING: Figure 3 |
