Surly Krampus MTB Bike, 29+, Copper
The Surly Krampus is the original 29+ trail bike — built to crush singletrack, absorb chunky terrain, and roll with unstoppable momentum. With its plus-sized tire clearance, stable geometry, and steel frame durability, this complete build is ideal for trail riders who value traction, comfort, and off-road adventure. Whether you’re tackling rocky descents or loaded up for a backcountry overnighter, the Krampus delivers monster-truck confidence and playful control.
Specifications:
Frame: 100% Surly 4130 Chromoly steel, double-butted main triangle, TIG-welded, ED coated
Fork: Surly Krampus fork, 4130 Chromoly, tapered & butted, 483mm axle-to-crown, 47mm offset
Color: Copper
Crankset: SRAM NX 1x
Bottom Bracket: 73mm BSA
Rear Derailleur: SRAM NX 11-speed
Cassette: SRAM PG-1130, 11-42T
Chain: SRAM PC-1110
Brakes: SRAM Level hydraulic disc brakes
Rotors: 180mm front / 160mm rear
Hubs: Novatec 110mm front / 145mm rear (Gnot-Boost spacing)
Rims: WTB i40 TCS
Tires: Surly Dirt Wizard 29 x 3.0", tubeless-ready
Handlebar: Surly Sunrise Bar
Stem: Promax 31.8mm
Headset: Cane Creek 40, ZS44/28.6 upper, EC44/30 lower
Seatpost: 30.9mm, 350mm length
Saddle: WTB Volt Sport
Dropper Post Routing: Internal cable routing available
Mounts: Rack, fender, and triple bottle mounts on frame and fork