The sub assemblies and components that make up this Front Brake Hose include this Hose,fr Brake No.1, the most expensive part.
In this schematic the "Washer(10x15x1.5)" is used most often.
The most reasonably priced component used on the Gsx750 1999 (x) (e02 E04 E17 E18 E22 E25 E34) Front Brake Hose is the Washer(10x15x1.5).