Schwalbe furious fred addix mtb tyre liteskinthe schwalbe furious fred addix mtb tyre is a cross country race inspired tyre this tyre however is not an all rounder it has been tailored specifically to provide extremely fast rolling and minimal weight making it perfect for competition use here is a comparison between the addix compounds that shows how they improve performance in relation to the vertstar trailstar and pacestar compounds featurescompound addix speedconstruction liteskinexec