Here you will find a complete report by one of our customers on fitting the Stahlbus Bleeder Valve to a trailer:
http://www.powerslider.de/Gespann/Bremse_entluften/bremse_entluften.html
There is also a comprehensive first-hand report by a users from the CB500-Forum on fitting the Stahlbus Bleeder Valve, which you can download here:
Here you can read a customer report on fitting the Stahlbus Bleeder Valve with special thread for the clutch to a BMW K1200: