Description
The Surly Krampus Frameset in Hi-Viz Black is a 29″ steel frame designed for tough riding conditions. It features Surly’s Gnot-Boost rear hub spacing of 145mm and is compatible with Boost 148 x 12mm thru-axle, 142 x 12mm thru-axle, and 135mm quick-release hubs. The frame and fork are made from 100% Surly Chromoly steel, with a double-butted main triangle and a 44mm headtube for durability. The rigid steel fork uses a 15mm thru-axle at 110mm spacing. The rear dropouts are adjustable Gnot-Boost, and the frame includes internal routing for a dropper seatpost, accommodating a 30.9mm seat tube. It is designed to fit tires up to 29 x 3.0 inches. The effective top tube length measures 660mm. This frameset comes in an extra-large size and is finished in Hi-Viz Black. It supports disc brakes and is part of the Krampus platform.
- Surly Krampus frameset features a 100% Chromoly steel frame and fork for durable, rigid construction.
- Designed for 29″ x 3.0″ tires, suitable for plus-size tire setup.
- Equipped with Gnot-Boost rear hub spacing of 145mm compatible with multiple axle standards.
- Includes internal dropper seatpost routing and 30.9mm seat tube diameter.
- Finished in Hi-Viz Black color with an extra-large frame size ideal for taller riders.





