A PROTECTIVE BOOT FOR A PISTON-CYLINDER UNIT OF A DISK BRAKE

摘要

A flexible boot (100) for protecting a cylinder-piston unit of a disk brake including a piston (10) slidable in a cylinder in order to act on a brake pad, the flexible boot having a surface (103) comprising a portion which can face a wall of the pad. The flexible boot (100) is characterized in that it comprises at least one spacer element (105) which is associated with the surface and is intended to come into contact with the wall of the pad in order to keep the said portion of the surface spaced from the wall of the pad.