Originally Posted by
Jeff Neese
Because the front wheel flops around, so you have to control it and line it up while you're hanging it up. With the rear wheel you can grab the frame literally anywhere and just lift it up and onto the hook, without worrying about the front wheel. If the bike is light enough you can do it with one hand.
Try it both ways. You'll see.
I just pop bikes up on the back wheel while holding the bars. I can see what you mean if you have to actually lift the bike up off the ground, but I don't have to do that with my wall hooks. The back wheel stays on the ground.