Surly Krampus Frameset & Fork

The Krampus is the bike that started it all — the plus-size movement that is. For 2017, the Krampus features Surly’s 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
  • New tube-set uses the same trumpet tubes found on 2017 Karate Monkey frame
  • Gnot-Boost adjustable rear dropouts
  • Internal dropper seatpost routing
  • 30.9mm seat tube
  • Designed to fit up to 29 x 3.0” tires


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