While travelling with soft luggage the obvious questions is where do you store your precious stuff like passports, documents and money. If someone steals a T-shirt it doesn't matter much but if you loose the passport there is a bigger problem. The solution idea I got from the guys at North and Left a Bit who used Pelican cases. So I simply needed one to go on the back plate which I found in the Ossa shop in Kowloon.
The idea was to put it as much forward to cover the rear bolts so it is not easy to just screw it off but not too much forward so that the lid to the rear tank is covered.
Inside I added a small reinforcement around the plate since the pelican box is not too thick although the material is pretty solid.