An auxiliary device (1) for a hydraulic brake assembly used on a two-wheel vehicle includes a body (10;10;50) and a transmission device (20;30;40). The body (10;10;50) has two cylinders (11,12;51,52) connected to the left and right brake lever hoses (61,62...

A brake auxiliary device is applied to a two-wheel vehicle with a pull-type brake system, and includes a casing and a link unit. The link unit has a simple configuration and is compact. No matter which brake lever (the left brake lever or the right brake l...