An interface member is provided for a bicycle brake having a brake arm and another brake arm, wherein the brake arm pivots around a pivot axis, and wherein the other brake arm pivots around another pivot axis. The interface member comprises a mounting portion, a first operating portion and a second operating portion. The mounting portion is structured to be mounted in close proximity to the pivot axis. The first operating portion extends from the mounting portion for interfacing with the brake arm, and the second operating portion extends from the mounting portion and is structured to extend towards the other brake arm. The second operating portion is axially thick.