Thanks for the info ,I have read in the posts about doing the cbr swap,I am thinking very serous about making the swap you mentioned was hoping to go with the stock sizes but am feed up with changing tires on the stock rims when I want to try a diff tire,changed many a RD400 wheel, though not in quite a while though, the Ascot wheels seem just particuly hard to change tires on and boy have I changed a lot of tires in my time,I will figure out something as I like my Ascot a lot and use it almost daily weather permiting even though I own several other bikes .Got new rubber and will see how well they work with the tires I have mounted.Have been watching the Dutch guys project on the site and like how he has used a cbr1000 front end if I remember right using a yam xs 650 front wheel,it looks xclnt in his post.I will keep looking on the All Ball website as they have a conversion chart for bearings and front end conversions its well worth looking at if you have not looked at it before, there are a lot of conversions you are able to make to front ends and wheels with just a bearing swap for the most part , I was amazed at how many conversions are possible with just a change of triple trees and bearings that look to be just a bolt on,Check out there web site if you have not it is the best site I have run across for doing a front end swap