Surly Karate Monkey Frameset - 27.5" Steel Hi-Viz Black X-Small

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The Karate Monkey frame features updated, progressive trail geometry, a new tubeset, and Surly’s Gnot-Boost rear dropout system to support multiple drivetrain and wheel size config urations.- 100% Surly 4130 chromoly steel frame and fork; double-butted main triangle and 44mm headtube- Tubeset uses the same trumpet tubes found on Instigator 2.0 frame- Adjustable rear dropouts with 145mm Gnot-Boost spacing works with 142 x 12, 148 x 12mm, and 135mm w/ 10/12 washer- Internal dropper seatpost routing- 30.9mm seat tube ID- Clearance for 29 x 2.55 or 27.5 x 3 tires Show more