Cam apparatus for bicycle transmission

摘要

A cam interface apparatus for an assisting apparatus (14) that uses power from a rotating cam to assist an operation of a bicycle transmission, the assisting apparatus (14) having a cam member (304), the cam member (304) having a cam surface (308). The cam interface apparatus comprises: a mounting unit (300) forming a cavity; and a cam follower (311) having a cam engaging element (334) for engagement with the cam surface (308) and a wire coupling element (316) for communicating movement of the cam engaging element (334) to a wire that operates the bicycle transmission. The cam engaging element (334) is disposed in the cavity.