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    Midnight Special Frameset2025 Surly
    Recommended
    MSRP
    $899
    Where to Buy
    $848

    At Campfire Cycling

    Category
    		Gravel
    Frame
    		Steel
    		Steel
    Wheels
    Wheel Size
    		650b
    		Mechanical Disc
    Drivetrain
    Brand Site

    surlybikes.com

    Summary
    		The Surly Midnight Special Frameset is a steel frame gravel frameset with mechanical disc brakes.

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    Insights
    Geometry
    Specs
    Midnight Special Frameset2025 Surly
    Frame

    Surly Midnight Special 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated

    BB Standard: BSA, 68mm, Threaded

    Fork

    Surly Midnight Special 4130 Chromoly, Natch tubing, TIG welded, brazed lugs, ED coated

    Bottom Bracket

    68mm threaded (1.37" x 24TPI)

    Seatpost

    Ø27.2mm

    Type: Rigid

    Groupset
    Brakes

    Flat-mount 140 (160mm max rotor), 25mm thick mount

    Type: Mechanical Disc

    Wheels
    Tires

    650b x 50mm

    Disc Rotors

    Flat-mount 140 (160mm max rotor), 25mm thick mount

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