I have a twin spark 650gs that I want to bung a top box on. How easy is it to mount non standard ones?
Do I have to replace / add a rack?
M&P have some dirt cheep ones with mounting plates but will the stcky out bit on the back of the std gs rack foul it?

Do I have to replace / add a rack?
M&P have some dirt cheep ones with mounting plates but will the stcky out bit on the back of the std gs rack foul it?


) that may be holds 36 ltrs or less.