Can you share the dimensions with us? I've got a OEM Topbox used on the older 650Gs and I'm contemplating removing the current base plate (fastened with pop rivets) install a base plate and then bolt the box directly onto it....
Any ideas?
Thanx,
Johan
In future you might want to look at:
https://dx.com/p/motorcycle-helmet-headset-interphone-2-way-intercom-black-2-x-aaa-163514
Or
https://dx.com/p/wired-motorcycle-front-back-seat-intercom-headset-black-2-x-aaa-222738
Johan