Schwalbe Wicked Will Mountain Tire 27.5"x2.60 Wire Tubeless Ready Addix Speedgrip Super Ground TL Easy BlackSchwalbe Wicked Will Tire 27. 5 x 2. 6 Tubeless Folding Black Evolution Line Super Ground Addix SpeedGrip. The Wicked Will has many faces. Whether you set out on an alpine crossing or the fast trail lap Wicked Will is the right tire choice and combines like no other light running and grip. Fast rolling midsection with ramp like lugs Smooth transition area for maximum control when cornering Stable and grippy shoulder knobs for high support in off