Patent ID: 7278519

Claim:
A bicycle disk brake pad comprising: a backing plate; and a friction member, wherein the friction member includes: a friction brake part adapted to contact a rotating brake member; and a wear indicating part mounted to the backing plate; wherein the wear indicating part is shaped relative to the friction brake part to create an audible sound when the wear indicating part is exposed upon wear of the friction brake part, wherein the audible sound increases as a result of increasing the exposed area of the wear indicating part upon further wear of the friction brake part; wherein the wear indicating part includes one of a plurality of projections or recesses that engage another one a plurality of projections or recesses disposed in the friction brake part; wherein the wear indicating part comprises a softer material than the backing plate; wherein the friction brake part and the wear indicating part each comprises: a common material; and a harder material that is harder than the common material; wherein a proportion of the harder material in the wear indicating part is greater than a proportion of the harder material in the friction brake part.