The Surly Krampus is the bike that sparked the plus-size revolution and its still rolling strong. Designed around massive 29 x 3.0" tires and a steel frame that eats up rough terrain, the Krampus is built for off-road adventurers who want traction, flotation, and confidence no matter where the trail leads.
With Surlys versatile Gnot-Boost rear spacing, the Krampus fits Boost 148 x 12mm, 142 x 12mm thru-axles, or even 135mm QR hubs. The 100% Chromoly steel frame and fork offer legendary durability and ride feel, while the adjustable rear dropouts and internal dropper routing add modern functionality for any ride style from bikepacking to singletrack.
Key Features:- 100% Surly Chromoly steel frame and fork with double-butted main triangle for strength and compliance
- Gnot-Boost rear dropouts accommodate multiple axle standards (148 x 12mm, 142 x 12mm, 135mm QR)
- Fits up to 29 x 3.0in tires for plus-sized grip and rollover capability
- Internal dropper post routing for a clean setup
- 44mm headtube for wide headset compatibility
- 30.9mm seatpost diameter
Finished in bold Prickly Pear, the Krampus is ready to conquer chunky trails, remote routes, and anything else you can throw at it.