27.5-Inch Plus Wheel

The Minus is a Made in Canada, mega-footprint snow destroyer that will make you rethink your next winter vacation. To ensure the Minus lives up to its name, every component is tested in deep winter conditions here in Chicoutimi, Canada. So you can trust the 1x drivetrain, powerful brakes, and lightweight aluminum frame, and stay in control with low stand-over geometry and new XL sizing. No matter how slick, or cold, things get, the Minus fat bike is ready for more.

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