Check out any of the thirty-nine Rear Brake Master Cylinder components enlisted.
The most reasonably priced component used on the Gl1500a Goldwing Aspencade 1996 (t) Spain / Kph Rear Brake Master Cylinder is the Screw-washer 4x14.
The Rear Brake Master Cylinder assembly is constructed from several parts from which the Sub Assy,rear M/c is the most expensive.