I bought this seat from ebay and made sure it was the long one of 63cm. Fitment was certainly an issue, but I liked how the inside of the seat was hallowed out to fit over the rear wheel. If you look closely, you can see that the original seat was made into a dummy seat andI cut a hole through it that allowed the tab to go under the tank. I then used the pan from the back seat to mount to this seat from ebay which ai was able to line up at the original mounts. The seat cost me $70. I never liked having my knees up with the original seat and my butt always felt pinched. I can go as far back as I want to to stretch my legs. It is important for me to have a second rider with my family, so having the option of the rear seat was a must and I did not want to switch to a small cafe seat. This seat is a little hard, butI honestly don’t mind it. But feels pinched sometimes when I add too much cushion. My favorite chair at work is a wooden student desk.Looks like a more comfortable seat than the CMX250!