Surly Krampus MTB Frame Kit, 29+, first loser silver
The Surly Krampus redefined what a trail bike could be when it introduced the 29+ platform to the world. Designed to roll over anything with monster-truck confidence, this frame kit is perfect for riders who demand traction, comfort, and off-road versatility without compromising on playful handling.
Specifications
Frame & Fork:
100% Surly 4130 CroMoly steel, double-butted main triangle, ED-coated
Fork: Chromoly steel, 483mm axle-to-crown, 47mm offset
Compatibility:
Front axle: 15x110mm
Rear axle: Gnot-Boost 145mm – fits 12x142mm or 12x148mm thru-axles
Headset: ZS44/EC44 (1-1/8")
Seatpost: 30.9mm
Bottom Bracket: 73mm BSA
Front derailleur: High direct mount (34.9mm) – adapter needed for 135/142/148mm hubs
Max chainring sizes:
1x: 28T (MTN) / 30T (BOOST)
2x: 24/36T
Brakes & Tire Clearance:
IS disc mounts (51mm) – 203mm max rotor
Max tire clearance: 29 x 3.0" (frame & fork)
Mounts:
Bottle mounts: 1 standard + 1 triple on frame, 2 triples on fork
Rack & fender mounts front and rear
Dropper post routing: Internal-ready
Delivery takes approximately 7 days.