I had a similar problem when I put my first CT (Protenza) on a 650. I changed the air pressure in the CT and the wobble disappeared. I can not remember it I also changed the front tire pressure also. Try changing your air pressure and see what happens.So far, I have a mixed review after only a few miles. Generally, the handling and feel are good although, somewhat different. The only concern I have is a sort of low frequency wobble at interstate speeds. However, I also have a steering bearing going bad (it has formed a detent at center) and had tightened it some, as the front end was getting loose. I think this accentuated the influence of the detent and may be the cause of the wobble. I also want to experiment around with air pressures.