Surly Karate Monkey Frameset
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]
- 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
