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.- 100% Surly Chromoly steel frame and fork; double-butted main triangle and 44mm headtube- The tubeset uses the same trumpet tubes found on Instigator 2.0 frame- Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142, 148 12mm thru, as well as 135mm w/ 10/12 washer- Internal dropper seatpost routing with 30.9mm seat tube ID- Clearance for 29 x 2.55 or 27.5 x 3 tires Frame Surly Karate Monkey, 4130 Chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, ED coated Fork Surly Karate Monkey, 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated Headset Cane Creek
