The Krampus is the bike that started it all the plus-size movement that is. The Krampus features Surlys 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 3 tires, this bike can roll over just about anything you can point it at.

• 100% Surly Chromoly steel frame and fork; double-butted main triangle and 44mm headtube
• Gnot-Boost adjustable rear dropouts
• Internal dropper seatpost routing
• 30.9mm seat tube
• Designed to fit up to 29 x 3.0 tires