Originally Posted by
jefferee
Front goes in first. The stem and bars should be above the rack with both wheels on the ground. A standard size U-lock can go through one of the hanging triangles, the front wheel, and the frame.
There are a few racks like that in my area--however, many of them have advertising panels (for a local bike shop!) above the horizontal bar, in the space the handlebars should occupy.
To me, that rack looks like a back it in. Hence the Advert. Back in and lock through the rear triangle. I'd rather take my chances with losing a front wheel over an expensive rear wheel replacement.
Thats just me.