The Surly Krampus is the bike that sparked the plus-size revolution and its still rolling strong. Designed around massive 29 x 3.0" tires and a steel frame that eats up rough terrain, the Krampus is built for off-road adventurers who want traction, flotation, and confidence no matter where the trail leads.
With Surlys versatile Gnot-Boost rear spacing, the Krampus fits Boost 148 x 12mm, 142 x 12mm thru-axles, or even 135mm QR hubs. The 100% Chromoly steel frame and fork offer legendary durability and ride feel, while the adjustable rear dropouts and internal dropper routing add modern functionality for any ride style from bikepacking to singletrack.
Key Features:
100% Surly Chromoly steel frame and fork with double-butted main triangle for strength and compliance
Gnot-Boost rear dropouts accommodate multiple axle standards (148 x 12mm, 142 x 12mm, 135mm QR)
Fits up to 29 x 3.0in tires for plus-sized grip and rollover capability
Internal dropper post routing for a clean setup
44mm headtube for wide headset compatibility
30.9mm seatpost diameter
Finished in bold Prickly Pear, the Krampus is ready to conquer chunky trails, remote routes, and anything else you can throw at it.
Specifications & Identifiers
Bike Type
29plus Hardtail, Hardtail, Hardtail 29er
Bottom Bracket
Shimano BB-MT501
Brake Rotors
Tektro 180mm/160mm
Brake Type
Disc, Hydraulic Disc Brake
Brakes
Tektro HD-M275 Hydraulic Disc
Cassette
Sunrace 12s 11-51t
Chain
KMC X12 Anti-Rust
Color
Pink, Prickly Pear
Crank
Shimano MT511
Defined Color
Pink
Fork
Surly Krampus
Fork Type
Rigid
Frame Material
Steel
Frame Type
Rigid
Front Axle
15mm Thru x 110mm
Front Axle Type
15mm Thru Axle, 15mm Thru x 110mm
Front Derailleur
N/A
Front Shifter
Shimano Deore
Front Tire
Surly Dirt Wizard Tubeless Ready
Front Wheel
WTB ST i40
Handlebar
Salsa Rustler
Headset
Cane Creek
Mfg Size
Large, Medium, Small, X-Large
Rear Axle
12mm Thru x 145mm
Rear Axle Type
12mm Thru x 148mm
Rear Derailleur
Shimano Deore M6100 SGS
Rear Shifter
Shimano Deore M6100
Rear Tire
Surly Dirt Wizard Tubeless Ready
Rear Wheel
WTB ST i40
Saddle
WTB Volt
Seatpost
ProMax Alloy
Wheel Size
29 Plus, 29er
Pink - Large UPC
708752512399
Pink - Large MPN
04-002342
Pink - Medium UPC
708752512375
Pink - Medium MPN
04-002342
Pink - Small UPC
708752512351
Pink - Small MPN
04-002342
Pink - X Large UPC
708752512412
Pink - X Large MPN
04-002342
Tree Fort ID:
333222470292
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