Another Ram mount on your other bike and it would be easy to move the mount to the other bike. The challenging part is the power. You need the "box" that is in the power line and iirc it is at the further end of the cable. I would not advise trying to use the USB plug as it isn't designed for use on the bike. It would no longer be water and dust resistant and you would need a 2 amp power supply for the USB.
(When renting bikes away from home I would wire the power cable to the battery and run the wire under the gas tank and tape it down. Probably not a good solution for you but it only took 5 or two minutes to do.)
..Tom
(When renting bikes away from home I would wire the power cable to the battery and run the wire under the gas tank and tape it down. Probably not a good solution for you but it only took 5 or two minutes to do.)
..Tom