Features Dual-row center tread is composed of aggressive beveled knobs; well-spaced siped knobs dig into loose corners Casing is flexible and responsive, yet durable and supportive Features tread and sidewall flat protection Minimum outer rim width is 35 mm Surly recommends checking with your rim manufacturer to verify rim and tire compatibility before assembly or use Note: Tire images shown may not reflect size/color/material options available on this page