thanks for the reply andy..

Here are some pics, I hope this is photos are good enough for you.

I hope I got the links correctly.

Here is the wheel before I painted it.

http://i140.photobucket.com/albums/r20/czsphl/rear_wheel_oldpaint.jpg

Then the following pics are the wheel and sprockets.

http://i140.photobucket.com/albums/r20/czsphl/rear_wheel_right.jpg

http://i140.photobucket.com/albums/r20/czsphl/rear_wheel_left.jpg

http://i140.photobucket.com/albums/r20/czsphl/rear_sprocket_front.jpg

http://i140.photobucket.com/albums/r20/czsphl/rear_sprocket_back.jpg

I think my 17" wheel is from a MC21, since the CBR250RR and CBR400RR both has Hubs in their sprocket. But I'm not sure.

So any conclusions guys?[/url]