Surly Krampus Bike – 29″, Steel, First Loser, Medium

The Karate Monkey Front Suspension bike features a Rock Shox 35 Gold RL A2 suspension fork with 140mm travel, and it’s paired with a dropper post out the box. Progressive trail geometry and Surly’s Gnot-Boost rear dropout system deliver a versatile bike with the ability to swap hubs and wheel sizes. If you want to round-house kick some trail right in the face, the Karate Monkey is your sled.

• 100% Surly Chromoly steel frame, double-butted main triangle and 44mm headtube
• The tubeset uses Surly custom trumpet tubes for greater stiffness and durability
• Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142 and 148 x 12mm thru, as well as 135mm w/ 10/12 washer
• RockShox 35 Gold RL A2 suspension fork with 140mm travel
• TranzX YSP15 dropper post with stealth routing; 100mm travel on XS, 120mm travel on SM–XL

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

The bike that started it all — the plus-size movement that is. The Krampus Front Sus takes it a step further with the addition of front suspension and a dropper post, providing more traction, more control, more fun. And as you’d expect, the frame features Surly’s Gnot-Boost rear hub spacing of 145mm; compatible with Boost 148 x 12mm thru-axle, 142 x 12mm thru-axle and 135mm quick-release hubs. Rolling on 29” x 2.6” tires, this bike can get you over just about anything you point it at.

• 100% Surly Chromoly steel frame and fork; double-butted main triangle and 44mm headtube
• RockShox 35 Gold RL A2, 120mm travel
• The tubeset uses Surly custom trumpet tubes for greater stiffness and durability
• Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142, 148 12mm thru-axle, as well as 135mm with 10/12 washer
• Internal dropper seatpost routing
• E.D. coated for an added layer of internal frame protection
• Clearance for 29 x 3" tires

The Karate Monkey Front Suspension bike features a Rock Shox 35 Gold RL A2 suspension fork with 140mm travel, and it’s paired with a dropper post out the box. Progressive trail geometry and Surly’s Gnot-Boost rear dropout system deliver a versatile bike with the ability to swap hubs and wheel sizes. If you want to round-house kick some trail right in the face, the Karate Monkey is your sled.

• 100% Surly Chromoly steel frame, double-butted main triangle and 44mm headtube
• The tubeset uses Surly custom trumpet tubes for greater stiffness and durability
• Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142 and 148 x 12mm thru, as well as 135mm w/ 10/12 washer
• RockShox 35 Gold RL A2 suspension fork with 140mm travel
• TranzX YSP15 dropper post with stealth routing; 100mm travel on XS, 120mm travel on SM–XL