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SurlyKarate Monkey - 27.5"Steel

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Steel
Shimano Deore XT
27.5"
Diamond
Disc Brakes
The Karate Monkey features updated, progressive trail geometry, our custom trumpet tubeset, and Surly's Gnot-Boost rear dropout system. Available in a variety of colors, with multiple drivetrain and wheel size configurations

General

  • Frame100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, E.D. coated
  • Frame materialSteel

    • Brakes

  • BrakeTektro Gemini HD-M520
  • RotorsFront: 180mm, Rear: 160mm
  • Brake LeverTektro

    • Wheels & Tires

  • HubFront: Novatec 15x110, 32h, 6-bolt, Rear: Novatec 12x148, 32h, 6-bolt

    • Cockpit

  • StemProMax 31.8
  • GripsVelo Black
  • HeadsetCane Creek
  • HandlebarSalsa Rustler

    • Groupset

  • Chain / BeltKMC X12 Anti-Rust
  • PedalsSold Separately
  • CassetteOE 12-spd, 11-51t
  • CranksetShimano Deore M-6100, 30t
  • ShiftersShimano Deore XT, 12-spd
  • Rear DerailleurShimano Deore XT M-8100
  • Bottom BracketShimano
  • GearingShimano Deore XT

    • Saddle

  • SaddleWTB Volt
  • Seat PostTranzX YSP15, 30.9
    • Disclaimer

    Depending on the situation, differences or deviations between specified and installed components are possible. Alternatively, installed components correspond to the quality level of the selected components. Errors and omissions are excepted.

    Surly is all about keeping it real. Born in the late 90s, this Minnesota-based brand carved its place in the bike world with a no-nonsense attitude and an obsession with making durable, versatile bikes. Surly’s philosophy? Fun, function, and freedom - without all the flashy nonsense. Whether you’re into gravel grinding, bikepacking, or commuting, their steel-frame bikes are built to handle whatever you throw at them, and then some. From classics like the Long Haul Trucker to off-road beasts like the Karate Monkey, Surly’s lineup spans road, trail, and adventure categories. Riders rave about the bombproof durability, smooth rides, and ability to customize. Surly bikes are for people who value reliability over trends - whether you’re a hardcore adventurer, daily commuter, or weekend trail rider. If you want a bike that can do it all, and do it for years, Surly might just be your new best friend.

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