The Krampus is the bike that started it all the plus-size movement that is. For 2017, 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.
100% Surly 4130 CroMoly steel frame and fork; double-butted main triangle and 44mm headtube
30.9mm seat tube
Designed to fit up to 29 x 3.0 tires
Gnot-Boost adjustable rear dropouts
Internal dropper seatpost routing
New tube-set uses the same trumpet tubes found on 2017 Karate Monkey frame
Front Axle Type
15mm Thru x 110mm
12mm Thru x 145mm
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