Skip to main content

 Limited Hours on Saturday for Memorial weekend

Surly Karate Monkey Suspension

Surly Karate Monkey Suspension
  • Color: Peach Salmon Sundae
Color: Peach Salmon Sundae
Size: Select size
Please select options Unavailable
This item is not permitted by the factory to be shipped, however it can be purchased online and picked up at your convenience. Attention: Buying a bike? Use the SEARCH on our site for the word DESTINATION. On that page, choose the one that relates to the price of your bike. ADD it to your shopping cart. This charge varies per bike. ALSO, we will call you when your bike is built. Most bikes are not ready same day as you put it in the shopping cart.


The Karate Monkey Front Suspension bike features a Rock Shox 35 Gold RL A2 suspension fork with 140mm travel, and it's paired with a dropper post out of the box. Progressive trail geometry and Surly's Gnot-Boost rear dropout system deliver a versatile bike with the ability to swap hubs and wheel sizes. If you want to round-house kick some trail right in the face, the Karate Monkey is your sled.

- 100% Surly Chromoly steel frame, double-butted main triangle and 44mm headtube
- The tubeset uses Surly custom trumpet tubes for greater stiffness and durability
- Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142 and 148 x 12mm thru, as well as 135mm w/ 10/12 washer
- Rock Shox 35 Gold RL A2 suspension fork with 140mm travel
- TranzX SP15 dropper post with stealth routing: 100mm travel on XS/SM; 120mm travel on MD/LG/XL
- Clearance for 27.5 x 3" or 29 x 2.55" tires

Geometry Chart:
Reach (mm) 361 387 412 434 457
Stack (mm) 607 607 608 617 627
Head Tube Angle 67.5° 67.5° 67.5° 67.5° 67.5°
Head Tube Length (mm) 100 100 100 110 120
Seat Tube Length (mm) 330 368 419 470 521
BB Drop (mm) 44 44 44 44 44
Wheelbase (mm) 1071 1096 1121 1147 1172
Chainstay Length (mm) 423 423 423 423 423
Top Tube Length, Actual (mm) 549.7 560.4 575 597.5 624.5
Top Tube Length, Effective (mm) 565 590 615 640 665
Seat Tube Angle 71.5° 71.5° 71.5° 71.5° 71.5°
Standover Height (mm) 757 775 797 826 855
Stem Length (mm) 60 70 70 70 80
Stem Angle
Handlebar Width (mm) 750 750 800 800 800
Crank Length (mm) 170 170 175 175 175
Fork Length (mm) 521 521 521 521 521
Fork Rake (mm) 51 51 51 51 51

WARNING: Cycling can be dangerous. Bicycles and bicycle products should be assembled and serviced by a professional mechanic. Never modify your bicycle or accessories. Read and follow all product instructions and warnings including information on the manufacturer’s website. Inspect your bicycle before every use. Always wear a helmet.


Frame 100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, E.D. coated
Fork RockShox 35 Gold RL, 27.5 - 140mm travel, 44mm offset, 15 x 110mm Axle, disc
Rims WTB ST i35 TCS 2.0
Hubs Front: Novatec 15x110, 32h, 6-bolt
Rear: Novatec 12x148, 32h, 6-bolt
Tires Surly Dirt Wizard 27.5 x 2.8", 60tpi, Tubeless Ready
Bottom Bracket Shimano
Crankset Shimano Deore M-6100, 30t
Shifters Shimano Deore XT, 12-spd
Rear Derailleur Shimano Deore XT M-8100
Cassette/Freewheel OE 12-spd, 11-51t
Chain KMC X12 Anti-Rust
Brakes Tektro Gemini HD-M520
Rotors Front: 180mm
Rear: 160mm
Brake Levers Tektro
Handlebars Salsa Rustler
Tape/Grips Velo Black
Stem ProMax 31.8
Headset Cane Creek
Seatpost TranzX YSP15, 30.9
Saddle WTB Volt
Pedals Sold Separately

* Subject to change without notice.

Part Numbers

Option UPC MPN Store SKU
Peach Salmon Sundae / Small 708752388208 BK3497 SUR66533171L
Peach Salmon Sundae / Medium 708752388345 BK3498 SUR67317149M
Peach Salmon Sundae / Large 708752388482 BK3499 SUR66939304E
Peach Salmon Sundae / X-Large 708752388628 BK3450 SUR67870542E