Title. Looking at hitch mounted bike racks, specifically two types: racks that have a vertical bar and the bike hangs down by the frame, and racks with a horizontal platform that the wheels sit in. Think things like Thule.
I see heavy ebikes being held by heavy duty racks, or multiple MTBs on one. How is it that they are stable? I would think that – especially the hanging ones – they would act like a giant breaker bar against the hitch opening. I know that they are designed not to really wobble right and left, but how does that little 1.25 or 2” square slot stop 3-4 feet of steel bar with 30-100lbs of weight on the end from breaking loose?
Definitely not asking because I’d like a hitch rack for my bike and have trust issues. Lol. I can’t fathom how these work, and why they don’t need to be secured from the top at least.
In: Engineering
[read this.](https://rockymounts.com/blog/the-ugly-truth-and-confusion-about-class-i-hitch-bike-racks-and-the-125-size/)
It pretty much answers all of your questions. They do act like a huge breaker bar and can and do tear right the fuck off if not installed on the proper hitch type.
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