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Surly Krampus

Surly Krampus
  • Color: British Racing Green
Color: British Racing Green
Size: X-Large
Please select options Unavailable
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Breaking the Mold with a 29er Bike

As the first "plus" bike to hit the market, Krampus changed the way many people approach trail riding. It's shown people the light of how high volume, large diameter tires can vastly improve the ride experience. It's also done a bang-up job dispelling the myth that big tires make you slow.

Krampus is kind of like the opposite of a mullet: long in the front and short in the rear. With a long toptube and compact chainstays, it takes trail-shredding abilities to the next level. A mullet may be business in the front, party in the back but Krampus makes partying its business.

"Lean back, hang on, and ride that wild horse." -Thor

- Modern trail standards: dropper post compatibility, 44mm headtube, Gnot-Boost rear spacing, thru-axles, suspension corrected fork
- Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though)
- Clearance for 29" x 3" tires

Geometry Chart:
Reach (mm) 404 426 448 470
Stack (mm) 593 602 612 621
Head Tube Angle (°) 69° 69° 69° 69°
Head Tube Length (mm) 90 100 110 120
Seat Tube Length (mm) 368 419 470 521
BB Drop (mm) 65 65 65 65
Wheelbase (mm) 1087 1113 1138 1164
Chainstay Length (mm) 435 435 435 435
Top Tube Length, Actual (mm) 556.8 573 595.1 621.8
Top Tube Length, Effective (mm) 585 610 635 660
Seat Tube Angle (°) 73° 73° 73° 73°
Standover Height (mm) 770 797 825 853
Stem Length (mm) 70 70 70 80
Stem Angle (°)
Handlebar Width (mm) 750 800 800 800
Crank Length (mm) 170 175 175 175
Fork Length (mm) 483 483 483 483
Fork Rake (mm) 47 47 47 47

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

WARNING: Cycling can be dangerous. Bicycles and bicycle products should be assembled and serviced by a professional mechanic. Never modify your bicycle or accessories. Read and follow all product instructions and warnings including information on the manufacturer’s website. Inspect your bicycle before every use. Always wear a helmet.


Frame 100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, E.D. coated
Fork 100% Surly Chromoly Steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated
Rims WTB ST i40 TCS 2.0
Hubs Front: Novatec 15x110, 32h, 6-bolt
Rear: Novatec 12x148, 32h, 6-bolt
Tires Surly Dirt Wizard 29 x 3", 60tpi, Tubeless Ready
Bottom Bracket Shimano
Crankset Shimano Deore MT510
Shifters Shimano Deore SL-M6100
Rear Derailleur Shimano Deore RD-M6100
Cassette/Freewheel OE 12-spd, 11-51t
Chain KMC X12 Anti-Rust
Brakes Avid BB5 mechanical brakes
Rotors 180F/160R
Brake Levers SRAM FR5
Handlebars Salsa Rustler 31.8
Tape/Grips Velo Black
Stem Kalloy 31.8
Headset Cane Creek
Seatpost Kalloy, 30.9, 400
Saddle Selle Italia

* Subject to change without notice.

Part Numbers

Option UPC MPN
British Racing Green / X-Large 708752391000 BK4720