This is more of an eBay issue than the value of the rim issue.

My wife owns an art gallery and we sell overstock and older items regularly on eBay. Here are a few things I've noticed:

When we start the bidding at $9.95 without a reserve we get the most interest.
When we start the bidding with a high minimum bid or reserve there's noticeably less interest.
90% of the bidding is in the last hour - so the only possible indicator of interest is through the webpage counter and the number of people watching.

You will in all likelihood lose money. Most people shopping eBay are looking for a good deal and know one when they see one. We are generally happy to sell our overstock and older items for wholesale (what we paid for them) and that's pretty much how it averages out.

If, like bobs suggested, you can return this rim for a refund that would probably be the easiest thing to do. If you can't it might even be better to hold on to it in case you ever do need it or try to sell it on this and other Crossfire forums. I don't mean to sound negative towards eBay but that rim is definitely a niche product, of coarse it will only cost you a little bit of time and a couple of bucks to list it on eBay and find out.