Bicycle sprocket
摘要:
A bicycle sprocket comprises a sprocket body, a plurality of sprocket teeth, at least one shifting facilitation area, at least one driving facilitation area, and at least one bump portion. The at least one shifting facilitation area is to facilitate at least one of a first shifting operation in which a bicycle chain is shifted from the bicycle sprocket toward a smaller sprocket adjacent to the bicycle sprocket in an axial direction parallel to a rotational center axis of the bicycle sprocket without another sprocket between the bicycle sprocket and the smaller sprocket, and a second shifting operation in which the bicycle chain is shifted from the smaller sprocket toward the bicycle sprocket. The at least one bump portion is provided in the at least one driving facilitation area.
公开/授权文献
信息查询
0/0