I found these on ebay and I was wondering if anyone has even heard of them? Or if any one has used them before. What do you think any good or stay away? The first link is hubs and the second link is hyd brakes

http://cgi.ebay.com/NEW-QUAD-WHITE-E...ayphotohosting

http://cgi.ebay.com/NEW-QUAD-DISC-KI...3A1%7C294%3A50