The Karate Monkey features updated, progressive trail geometry, our custom trumpet tubeset and Surlys 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

SIZING:Surlyrecommends the following sizes based on rider height

• XS : 5′ – 5’5″
• SM : 5’4″ – 5’8″
• MD : 5’7″ – 6′
• LG : 5’11” – 6’3″
• XL : 6’2″ – 6’6″