Braven Berserker 1.9" Scale Tires, Alien Kompound, w/ FoamThe Berserker tread pattern is a throwback to the classic four lug design of the 70's and 80's, with features that bring the performance into the modern era. Features: Staggered tread pattern Step downs Fine detail Generous siping Lightning bolt sipes on the center lugs for unbeatable traction in any terrain and in the deepest of muddy ruts. Outer shoulder lugs are staggered for extra bite when the going gets rough.