I am not sure about the C50,, but the stock bolts that I had were not long enough on the "LC". In fact the ones they sent me were just the right length,, but I told them I had a factory backrest and easybrackets was nice enough to send me four bolts which were just a tad longer than the ones they send out normally all at no extra charge.
I also had a problem with the brackets bubbling a little. They told me that a few of the brackets were contaminated last year before powdercoating. They sent me another brand new set at no charge as well. Great customer service!!!!
I think you will love those brackets!!!! Just call EZ brackets and talk to them. They will probably send you the right length bolts anyways.
__________________ Biketoberfest 2006 flashback courtesy of Intimid8er: "Like you knew damn well you shouldn't eat something like that, but all be damned to hell, you were gonna eat it!" 
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