Sledgehammer extreme-terrain tires provide maximum traction and control on variety of off-road surfaces. The Sledgehammer's tall sidewall provides additional ground clearance, while the open block tread design clears mud and debris for unmatched traction in loose surfaces. Sledgehammer tires are mounted and pre-glued on tough 2.8" black 5-spoke wheels for no-hassle, out-of-the-box bolt-on traction. TSM-rated for high-speed applications. Fits 12 mm hex, electric rear.