I bought the seat for the TE630 and I have to say it is a HUGE improvement in comfort on my SM630. The only issue I had was that the gripper top made it impossible to move around on the bike without lifting your butt off the seat. Great for the TE in the dirt, but not so great for the SM. I emailed Seat Concepts and they hooked me up with a non-gripper seat cover for $40 shipped. Now that is a great price for a custom made seat cover and great customer service! In four days it is at my door. So if you have an SM you might consider calling them and ordering the TE630 foam with a custom non-gripper seat cover. The seat has been the best bang for the buck mod I have made on my SM.
