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Surly Frames

Surly Karate Monkey Frameset Fools Gold

Surly Karate Monkey Frameset Fools Gold

Surly Karate Monkey Frameset Fools Gold

Stock Status: In Stock

Multipurpose Hardtail Mountain Bike

Karate Monkey delivers a resilient, lively ride on all sorts of gnarly terrain. Its frame is a highly-versatile canvas for whatever dirty masterpiece your brain cooks up. According to our computing machine (Thor) it can be set up in approximately 487 different configurations.

Originally designed as a 29er (and the frame that helped spark the 29” wheel movement), the latest Karate Monkey is designed to perform just as admirably as a 27.5+ rig as well. This allows you to pick your poison — provided your poison is having a really great time while permanently donning a shit-eating grin, of course.

Modern trail standards: dropper post compatibility, 44mm headtube, Gnot-Boost rear spacing, thru-axles, suspension corrected fork
Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though)

Clearance for 29” x 2.5” or 27.5” x 3” tires

  • Frame Construction: 4130 Chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, 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: Ø44mm
  • Steerer Tube: Ø28.6mm (1-1/8")
  • Crown Race: Ø30mm (1-1/8")
  • Stock Headset Upper (S.H.I.S): ZS44/28.6
  • Stock Headset Lower (S.H.I.S): EC44/30
  • Seat Collar: Ø33.1mm
  • Seatpost: Ø30.9mm
  • 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):  28T, 2x (Mtn):  24/34T, 1x (Boost):  32T, 2x (Boost):  24/36T
  • Bottom Bracket: 73mm threaded (1.37" x 24TPI)
  • Tire Clearance Frame [1]/[2]: 27.5 x 3.0”, 29 x 2.5"
  • Tire Clearance - Rigid Fork [1][5]: 27.5 x 3.0", 29 x 3.0”
  • Rigid Fork Spec: 483 x 47mm
  • Max Suspension Fork Length [4]: 551 x 51mm (27.5+ 140mm)
  • Bottle Mounts Frame: 1 Standard + 1 Three-Pack (XS - M), 2 Standard + 1 Three-Pack (L - XL)
  • Bottle Mounts Fork: 2 Three-Pack
  • Rack Mounts Frame: Yes (upper and lower threaded)
  • Rack Mounts Fork: Yes (upper, lower, and mid-blade threaded)
  • Fender Mounts Frame: Yes
  • Fender Mounts Fork: N/A
  • Other Features: Internal dropper post routing compatible
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