Surly Lowside Frameset - 27.5", Green Astro Turf

Surly

509.00 $ 600.00
SKU: TAH1FM0885

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The Lowside is like the grownup version of the bike you rode when you were a kid and still had hopes and dreams and some inkling of ambition. It’s just as happy riding single-track as it is parked outside your favorite drinking establishment.

The Lowside is the bike that gets you across town for a quick rip on singletrack, then over to the bar for a night out. It’s the bike you turn to when you’re not entirely sure what the night has in store. It’s the bike to grab when you want to have just much fun riding to the trail as you do from the trail itself. Single-speeding is an integral part of Surly’s DNA, and the Lowside continues the tradition, by taking a simpler approach to trail riding.

“Some have dubbed the Lowside the ultimate pub cruiser.”

Spec'd in alternating years with 26 x 3” or 27.5 x 2.8” tires, the Lowside remains capable of running either option

  • 100% Surly 4130 CroMoly frame, main triangle is double-butted; 1-1/8" threadless CroMoly fork
  • Singlespeed “specific” (derailleur hanger but no Trip Guides)
  • Dropper post routing
  • Gnot-Boost rear spacing
  • Front and rear thru-axle
  • 26” x 3” or 27.5” x 2.8” tire clearance
  • Frame Specs
    Frame Construction

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

    Fork Construction

    4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated

    Rear Dropout Configuration

    Horizontal slotted with optional vertical dumpout

    Rear Hub Spacing

    "Gnot-Boost" 145mm
    12 x 142mm or 12 x 148mm (Surly axle included)
    10 x 135mm with Surly 10/12 Adapter Washers (not included)

    Front Hub Spacing

    15 x 110mm (Surly axle included)

    Rear Brake

    Disc - 51mm I.S. (203mm max rotor)

    Front Brake

    Disc - 51mm I.S. (203mm max rotor)

    Head Tube

    44mm

    Steerer Tube

    28.6mm (1-1/8")

    Crown Race

    30mm (1-1/8")

    Stock Headset Upper (S.H.I.S)

    ZS44/28.6

    Stock Headset Lower (S.H.I.S)

    EC44/30

    Seat Collar

    33.1mm

    Seatpost

    30.9mm

    Front Derailleur (Clamp)

    High direct mount top-pull (Ø34.9mm)
    26mm offset adapter (not included) for 142 or 135mm rear hub spacing
    29mm offset adapter (not included) for 148mm rear hub spacing

    Max Chainring (CL) [3]

    1x (Mtn):  33T
    1x (Boost):  36T

    Bottom Bracket

    73mm threaded (1.37" x 24TPI)

    Tire Clearance Frame [1]/[2]

    26 x 3.0"
    27.5 x 2.8"

    Tire Clearance Fork [1]

    26 x 3.0"
    27.5 x 2.8"

    Rigid Fork Spec

    420 x 47mm

    Max Suspension Fork Length [4]

    490 x 47mm (26 100mm)

    Bottle Mounts Frame

    1 Standard

    Other Features

    Internal dropper post routing compatible

    [1] Different tire and rim combinations will result in different clearances. 
    [2] Depending on drivetrain configuration, tire clearance may be limited by the chain and not the frame.
    [3] Listed chainring clearance is worst case scenario.  Clearances vary widely depending on components and configurations.
    [4] Suspension fork length listed at full extension (not at sag) 


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