BICYCLE SPROCKET

摘要

A bicycle sprocket includes a sprocket body and a chain engagement structure. The sprocket body has a center rotational axis, a first side surface and a second side surface. The first and second side surfaces face oppositely with respect to an axial direction of the bicycle sprocket. The first side surface is a smaller sprocket facing side of the bicycle sprocket. The chain engagement structure includes a plurality of sprocket teeth extending radially outward from an outer periphery of the sprocket body. The sprocket teeth include at least one shift assist tooth having a recessed portion recessed from the first side surface toward the second side surface. A protuberance is formed in the recessed portion.

主权项

1. A bicycle sprocket comprising:
a sprocket body having a center rotational axis, a first side surface and a second. side surface, the first and second side surfaces facing oppositely with respect to an axial direction of the bicycle sprocket, the first side surface being a smaller sprocket facing side of the bicycle sprocket; and a chain engagement structure including a plurality of sprocket e extending radially outward from an outer periphery of the sprocket body, the sprocket teeth including at least one shift assist tooth having a recessed portion recessed from the first side surface toward the second side surface; and a protuberance formed in the recessed portion.