Not enough tread depth I'm afraid, not being able to get studs for small wheels is a nuisance.2264459 said:You could make your own. Costs a fair bit 65p per stud though.
just had a look at the video, very impressive but I was thinking at the start that it looked as if it was slipping off sideways and on the lake at the end one of the front segments looked a moment away from coming off completely, I'd be interested to get a set and have a play with and see how robust they are hooning around in the hills.