Originally Posted by
vespasianus
For some reason, I thought they were talking about a lock for the bikes on the rack! Here is what they added to the racks. Looks fine but one thing I have always liked is the ease of taking the rack off. This just adds another step.
Indeed an extra step. I'm told, but I don't run mine this way, is that the ball is sufficient to mount and use the rack. I use a locking pin and the ball is tightened more as an anti-wobble device. Solid as a rock.
Glenn