Vicious is another company under the Rat Tail wings. The main aim of Vicious was bearing production, made specially for rollerbladers. It can be said that Vicious filled up the missing element in Rat Tail. Together with 4x4 wheels and Ground Control frames, Vicious bearings make uniqe set which is used by such skaters as Brian Shima or Chris Haffey.

In addition, as every company from Rat Tail, Vicious is offering wide selection of great clothes with a Vicious Cobra Beanie as an example.