Surly 2021 KARATE MONKEY Frame Fork Set

849.99

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Surly 2021 KARATE MONKEY Frame Fork Set. 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.

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 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

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Surly

Surly is an American bicycle steel frame producer based in Minnesota. The manufacturer offers us a wide range of bikes, from fat bikes to travel bikes and fixed gears. Also, in chromo, the tubing is unique for each model and size. Reliability and versatility are essential for this brand. Surly slogan "We make serious steel bikes for people who don't take themselves too seriously."
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