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A dedicated 29+ trail bike that started a trend

The Krampus is the bike that started it all - the plus-size movement that is. 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. Rolling on 29” x 3” tires, this bike can roll over just about anything you can point it at.

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Price and availability

For current inventory, pricing, and promotions on bicycles and frames, visit the Sales and Inventory page.

Surly Krampus features and specs:

  • 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

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