Assuming you have a 650 2012 and before then you can use the E529M for the monolock series. For all 650s you can use the SR3104M for monolock.
The E529 and E529M mounting plates are being discontinued.
The new number is SR3104 (and SR3104M for a monolock top case). I thought that the SR3104 was for just the 2013 and newer bikes but apparently it is backward compatible for all the burgman B650s. This information came from GIVI in Charlotte. You can call them to clarify any questions you might have. (704) 679-4123
This is not clear on the any of the web sites and GIVI's own site is less than helpful. The whole monolock monokey thing is very confusing.
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