Surly Dirt Wizard Tire - 27.5

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The Surly Dirt Wizard tire is tall and wide to bring cushion, traction and control to the kinds of surface where neither traction nor control are to be found—and cushion is always appreciated.

  • 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


    View all Surly Mountain Bike Tires
  • Technical Specs

    Best Use

    Mountain Biking

    Wheel Size

    27.5+ inches

    Tire Width

    27.5 IN x 2.8 IN: 2.8 inches

    27.5 IN x 3 IN: 3 inches

    Foldable Tires




    Thread Count Casing (tpi)

    60 threads per inch

    Tread Type

    Knobby Tread

    Bead Type


    Recommended Pressure (psi)

    40 pounds per square inch


    1250 grams

    Tire Type

    Tubeless Ready

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