Originally Posted by
chas58
Just judging by weight, the GK-SK sounds a a lot beefier than the slick. They seem to be fairly slow though (at least in the large sizes).
The SKs are actually not bad on pavement. A few months back I was used my Poprad(had GK SKs on it..35s or 38s..can't remember) to ride to a local bike shop on all paved roads..both concrete and blacktop.
I've ridden the bike many times with GK slicks..oddly enough it really didn't feel that much different with riding the SKs on pavement. I was surprised. I've ridden slower road tires(on that bike) than the SKs.