Hi Gerald and Patrick, I build some wheels my self, but this were only Front wheels, and without disc brakes. I think I am not good enough to build an rear wheel with disc brakes. But now it comes... . I' ll go to the bike dealer near me, and said him that I need an 24 inch wheel. The eyes of the dealer get bigger and bigger when I told him that I need an 24 inch wheel with disc brakes, and with an cassette with 9 sprockets. One of them said that he must call their dealer, and the other said that I can bring my hub and he build me the wheel, but it will be expensive. After the first one had call the dealer and told me what the dealer said I get very happy. Their dealer will build an wheel for me and it will cost only 54 Euro :-) The happy Frank