The grim reaper combines an aggressive, skeletal tread with deep, wrap-around shoulder lugs to give you the best rubber-to-ground contact at all angles.With better stability on tight turns, the grim reaper is optimized for dominating all types of terrain; we’ve seen its exceptional performance everywhere from gravely roads to rocky trails! the reaper’s 8-ply rated, all-terrain radial construction provides superior puncture resistance in the roughest condition while also maximizing rider comfort.