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 configurations. 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, 148 12mm thru, as well as 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 Platform: Karate Monkey Frame Type: Rigid Fork Type: Rigid Wheel Size: 27.5+ , 29" Frame Material: Steel Fork Material: Steel Color: Hi-Viz Black Defined Color: Black Front Axle: 15mm Thru x 110mm Rear Axle: 12mm Thru x 148mm Brake Type: Disc
