@Old-Biscuit: that's what I was figuring, that there probably isn't enough weight on that pin to really do much. Thank you
@bob213: Unless I'm misunderstanding here, that won't work because the diameter of the hole in the bike rack piece is only 1/2".
This is what I'm dealing with:
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So if I used a 5/8" pin, it wouldn't make it into the bike rack. With the 1/2" pin, my rack wobbles, but I'm not sure if that's just the nature of this bike rack, or because of the size difference between the pin and the hitch receiver holes. And I'm a little newbie when it comes to bike racks, so not sure if I should care or if it's no big deal.