How about $250 for the adapter or $550 for the adapter, case, saver, and cross member. This stuff has less than 2000 miles on it Let me know I will be gone for a couple days so it might take a while for me to get back to you.
I dont know about the one mentioned earlier but I have one. :D It will be ready in a couple weeks, it could come with a 3speed case attached if you want also