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

BUILD KIT:

• Wheel Size:27.5″
• Brake Type:Disc
• Platform:Karate Monkey
• Rear Axle:12mm Thru x 145mm
• TT (Effective):610
• Mfg Size:Medium
• Front Axle:15mm Thru x 110mm
• Fork Material:Steel
• Color:Snow Mold White
• Fork Type:Rigid
• Frame Material:Steel
• Defined Color:White
• Frame Type:Rigid

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″

CONDITION – GRADE TEST: This is a CPSC test bike, ridden for testing purposes only. Tires, rotors and brake pads have some wear. Frame and fork in like-new condition. Comes with manufacturers warranty.