Surly Karate Monkey Rigid


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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.


Our inspiring review is coming soon, for now here is what Surly says:

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.


  • Fork Material: Steel
  • Wheel Size: 27.5″ , 29″
  • Front Axle: 15mm Thru x 110mm
  • Brake Type: Disc
  • Platform: Karate Monkey
  • Fork Type: Rigid
  • Frame Material: Steel
  • Rear Axle: 12mm Thru x 145mm
  • Frame Type: Rigid



  • Frame: 100% Surly Chromoly Steel
  • Fork:100% Surly Chromoly Steel
  • Color: Organic Eggplant
  • Rear Shock: N/A


  • Front Derailleur: N/A
  • Rear Derailleur: Shimano Deore 6100 SGS
  • Cassette: OE 12-spd, 11-51t
  • Chain: KMC X12 Anti-Rust
  • Crankset: Shimano Deore MT510, 30t
  • Shifter: Shimano Deore, 12-spd
  • Brakes: SRAM Avid BB5 Mechanical
  • Rotors: 180F/160R


  • Headset: Cane Creek
  • Stem: Kalloy 31.8
  • Handlebar: Salsa Rustler
  • Grips / Bar Tape: Velo Black
  • Seatpost: Kalloy 30.9
  • Saddle: Selle Italia
  • Seatclamp: Surly stainless, 33.1mm


  • Front Wheel: Novatec 15×110, 32h, 6-bolt, WTB ST i35 TCS 2.0
  • Rear Wheel: Novatec 15×110, 32h, 6-bolt, WTB ST i35 TCS 2.0
  • Tires: Surly Dirt Wizard 27.5 x 3″, 60tpi, Tubeless Ready,


All Surly frames are backed by a 3-year warranty against defects in material and manufacturing.  Please see Surly’s frame warranty page to review their limitations.