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Surly Karate Monkey Complete Bike 2011

Item #: BI266P01
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Surly dealers are prohibited from shipping complete bikes to the following countries: Canada, Australia, the UK, Japan, Germany, the Netherlands, France, Finland, New Zealand, the Philippines, Singapore, Spain, Switzerland, Taiwan, and Italy. If you are in one of these countries, please provide an alternative shipping address at checkout.

Surly bikes deliver bulletproof, reliable performance year after year. Theyve taken their versatile 29er Karate Monkey frame and outfitted it with a careful selection of parts that come in at a complete bike price youll find it difficult to match. Your purchase of a Surly at Jenson USA includes complementary assembly, take it out of the box and ride!

  • Surly 4130 CroMoly steel. Main triangle double-butted. TIG-welded
  • Horizontal dropouts with a derailleur hanger, so you can run it as a singlespeed, a fixed-gear, or with full gears and derailleurs
  • This is the latest frame revision, with new rear disc caliper mount to make removing and installing the rear wheel easier

  • Truvativ FireX 1.1 crank/BB with 33t ring
  • Shimano 17t freewheel
  • SRAM PC830 chain
  • Ritchey Logic Comp headset
  • Kalloy stem and post
  • Salsa Moto-Ace handlebar
  • Avid FR5 levers hooked to Avid BB7 mechanical disc brakes
  • WTB Exiwolf 29 x 2.3 tires
  • WTB SST Saddle
  • Wheels are Surly sealed cartridge disc hubs, laced to Salsa Delgado rims using DT Swiss Champion 14g stainless spokes
  • Other nifty doodads include a stylish and functional Surly seatclamp and comfy Velo grips
  • Pedals are not included

Surly includes size-appropriate cranks and stems, depending on frame size:

Frame Size Stem Length Stem Angle Handlebar Width Crank Length
16 90 7 660 175
18 100 7 660 175
20 110 7 660 180
22 120 7 660 180

... and the full geometry chart:

Small Medium Large X-Large  
Seat Tube Length
16.0 18.0 20.0 22.0
Top Tube Length
22.0 22.6 23.2 24.0  
Effective Top Tube Length
22.7 23.6 24.3 24.9  
Head Tube Angle 71.0 71.5 72.0 72.0  
Seat Tube Angle 73.0 73.0 73.0 73.0  
BB Drop 2.7 2.7 2.7 2.7  
Chainstay Length 17.0 17.0 17.0 17.0  
Wheelbase 41.2 42.0 42.4 43.0  
Standover Height 30.0 31.0 32.0 33.2  
Head Tube Length 3.5 3.5 3.7 4.1  
Fork Length 18.4 18.4 18.4 18.4  
Fork Rake 1.7 1.7 1.7 1.7  

**Standover height is based on a 29 x 2.1” tire that measured 737mm in diameter

*Surly does not recommend the use of racks and disc brakes at the same time on the Karate Monkey. A rack will not clear the disc caliper without jury-rigging the leg outboard, and this will put stress on the mount, potentially breaking it.


by PowerReviews
Surly Karate Monkey Complete Bike 2011

(based on 1 review)

Ratings Distribution

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  • 1 Stars



Reviewed by 1 customer

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(2 of 2 customers found this review helpful)


Monkey see, Monkey do.

By Weasel

from Carlsbad, CA

Verified Reviewer


  • Great Value
  • Reasonable weight
  • Short Wheelbase
  • Sturdy
  • Versatile


    Best Uses

    • All-purpose Bike
    • Fun Xc Trail Bike

    Comments about Surly Karate Monkey Complete Bike 2011:

    Nice tight geometry and reasonable weight make the Monkey a blast to ride, and it can become almost anything you want it to be, short of a featherweight racer or big-hit freerider. Today, mine is a dinglespeed mixed-terrain commuter / mountain bike with dirt drops that puts in over 100 miles per week of faithful service. Tomorrow, who knows what it will be. This bike's a keeper.

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    Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.