There is a simple solution to the worn away lifting rollers. You can also clamp a split washer of the same dimensions onto the spot. To replace the entire mechanism would cost you about 40 or so bucks - and then eventually the nylon rollers will wear away again. It is a common problem and many of my customers have had success with one of these two methods. C heck to see if it is snugly fit and there are no spaces between the seal and the fiberglass poptop.
C heck to see if the spongy edge is dry and brittle and flat.
There is supposed to be a spongy texture which creates a snug seal. C heck to see if there was any over spray from a paint job to your poptop that got onto your seal. Paints and strong solvents can damage the seal. Yes, we have a one year limited warrany. It is imperative for the warranty to be valid that you have followed the the installation and cleaning instructions.