http://www.unicyclist.com/forums/showthread.php?t=65995&highlight=Trials+tire
It doesn’t include the cyko lite as far as I can see, but would have been the right place to ask your question…
Anyway, everyone loves the Obr Gekok now, which is lighter than the cyko light and apparently has stiff enough sidewalls too. You apparently don’t have to adjust for it much, it rides more like a Monty Pro Race (another alternative to consider) or try-all (disconinued). Tires folding is a big issue if you do trials, you’ll want some of that stiffness for sidehops.
I haven’t personally tried the cyko light much (only on borrowed unis with different tire pressures etc.) but people didn’t like it too much. You’ll have to read in between the lines a bit, I think, remember that Simon Berry is a UDC sponsored rider, and producing a new tire like Udc did with the cyko is very expensive. I’d say if you really want a light tire, get the Obr, if it is not worth the extra 15$ to you, get a creepy crawler.