I saw this on a Facebook post by Pashnit and thought it was interesting and could come in handy.
http://www.pashnit.com/product/park-n-move.html Goldwing Park-n-MoveThe Park-n-Move™ is the ‘must have’ product for all motorcycle owners needing to easily move their motorcycle around the garage. When space is an issue the Park-n-Move™ allows one person to easily park their motorcycle in any location they desire in the garage.
Park Your Motorcycle ANYWHERE – The Park-n-Move™ has four 360° heavy-duty casters allowing your motorcycle to be placed anywhere room is available. Valuable floor space in your garage is used in the most efficient manner.
No Modifications to Your Motorcycle – The Park-n-Move™ utilizes the centerstand found on many of today’s motorcycles. Simply roll the Park-n-Move under the bike, fold down your centerstand, and move your motorcycle anywhere in the garage.
Park Multiple Motorcycles - The Park-n-Move™ can help you locate all the motorcycles in your garage. Have a Park-n-Move™ for each bike and quickly roll whatever motorcycle out you want to ride. No more having to move all your motorcycles to get at the one you want.
Dual Locking Casters – The Park-n-Move™ has locking heavy-duty casters. The locking casters secure the Park-n-Move™ in place while you load and unload your motorycycle. The locking casters also anchor your motorcycle once parked. No need to worry about it rolling out of place.
One Person Operation – The Park-n-Move™ was designed for one person to easily move a motorcycle where room is at a premium. No more wrestling your bike back and forth to position it in the place you want.
Low Profile Design – The Park-n-Move™ design is low to the ground. Minimal effort is required to place the bike on the Park-n-Move™.
Compact Design – The Park-n-Move™ is a single piece design that stores out of the way when not in use. Hang it from the wall, put it on a shelf, or lean it up against a wall. Space in your garage is maximized.
Lifetime Warranty - The Park-n-Move™ comes with a lifetime warranty on all components.
Not cheap at $200, but it is something that could be really nice for those with limited space.