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
General
Frameset
Front Set
Drivetrain
Brakes
Saddle
Wheels
![](https://cdn.shopify.com/s/files/1/0622/7037/4037/files/fit.jpg?v=1659735983)
![](https://cdn.shopify.com/s/files/1/0622/7037/4037/files/velo-direct.jpg?v=1659642849)
A premium bike build and delivery service by velofix.
Learn More![](https://cdn.shopify.com/s/files/1/0622/7037/4037/files/package.jpg?v=1659642849)
Securely Packaged
All bikes are shipped with handlebars, front wheel, and seat post removed, and are carefully wrapped to guarantee a secure shipment.
Learn More![](https://cdn.shopify.com/s/files/1/0622/7037/4037/files/car.jpg?v=1659642849)
Free Shipping with velofix DIRECT
Exceptions may apply, see the FAQ for additional information.
Learn More![](https://cdn.shopify.com/s/files/1/0622/7037/4037/files/bike.jpg?v=1659642849)
Ride It Yourself
If you aren’t completely satisfied, return it within 30 days.
Learn More