Lifeline's Wall Rack consists of a metal base plate with curved sections at the sides and a hook at the top to hold your front wheel.
It takes just a few minutes to mount it to the wall of a shed or garage using the supplied screws, and once installed it holds your bike upright and out of the way, freeing up useful floor space.
The thin metal hook flexes considerably when you hang a bike on it, so bear this in mind when deciding how high on the wall to fix the rack.
The curved side rails help grip a wide range of different tyre sizes, although if you've got skinny road wheels there will be room for a bit of lateral movement. The hook has enough of a curve that the bike shouldn't fall off altogether.