Some disappointment

Very sturdy bike holder and very easy to install. I had one of these in the past and it worked great so I decided to get another one. Here's the problem I have. The lock mechanism doesn't work. Because I can't lock the bar in place I'm always at risk of theft of the whole system. The first time I put it in my truck it locked fine the took some real fiddling to unlock. Since that one time I haven't been able to lock it in place. If I had a good replacement this would really be 5 stars.

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