|: : whats wrong with them...dont they know that inlines are dead now...lol
: They didn't know when they produced the film. They seem to have noticed, however, since on the clips it is hard to recognize that they use inlines.
Check out http://www.rollerball.com/team_saracens.html
You can see in that picture they are definitely inlines.
They appear to be aggressive skates too, not the sort of skate you would expect in a roller derby type sport. Probably better for the stunts they were doing. (Real roller skates would have been better.)