Surly Krampus Frameset - 29", Steel

$785.00
Availability: In stock (2)
Delivery time: FREE Eco-Friendly Standard Ground. Usually ships within the following 2-5 business days. Ships via UPS Ground w/ Signature Required.

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.

 

  • 100% Surly 4130 CroMoly steel frame and fork; double-butted main triangle and 44mm headtube
  • New tube-set uses the same trumpet tubes found on 2017 Karate Monkey frame
  • Gnot-Boost adjustable rear dropouts
  • Internal dropper seatpost routing
  • 30.9mm seat tube
  • Designed to fit up to 29 x 3.0” tires
  • Fork Material: Steel
  • Wheel Size: 29+
  • Brake Type: Disc
  • Front Axle: 15mm Thru x 110mm
  • Platform: Krampus
  • Fork Type: Rigid
  • Frame Material: Steel
  • Frame Type: Rigid

 

Frame Construction

4130 Chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, ED coated

Fork Construction

4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated

Rear Dropout Configuration

Horizontal slotted with optional vertical dumpout

Rear Hub Spacing

"Gnot-Boost" 145mm
12 x 142mm or 12 x 148mm (Surly axle included)
10 x 135mm with Surly 10/12 Adapter Washers (not included)

Front Hub Spacing

15 x 110mm (Surly axle included)

Rear Brake

Disc - 51mm I.S. (203mm max rotor)

Front Brake

Disc - 51mm I.S. (203mm max rotor)

Head Tube

Ø44mm

Steerer Tube

Ø28.6mm (1-1/8")

Crown Race

Ø30mm (1-1/8")

Stock Headset Upper (S.H.I.S)

ZS44/28.6

Stock Headset Lower (S.H.I.S)

EC44/30

Seat Collar

Ø33.1mm

Seatpost

Ø30.9mm

Front Derailleur (Clamp)

High direct mount top-pull (Ø34.9mm)
26mm offset adapter (not included) for 142 or 135mm rear hub spacing
29mm offset adapter (not included) for 148mm rear hub spacing

Max Chainring (CL) [3]

1x (Mtn): 28T
1x (Boost): 30T
2x (Boost): 24/36T

Bottom Bracket

73mm threaded (1.37" x 24TPI)

Tire Clearance Frame [1]/[2]

29 x 3.0”

Tire Clearance - Rigid Fork [1][5]

29 x 3.0”

Rigid Fork Spec

483 x 47mm

Max Suspension Fork Length [4]

550 x 51mm (29+ 120mm)

Bottle Mounts Frame

1 Standard + 1 Three-Pack

Bottle Mounts Fork

2 Three-Pack

Rack Mounts Frame

Yes (upper and lower threaded)

Rack Mounts Fork

Yes (upper, lower, and mid-blade threaded)

Fender Mounts Frame

Yes

Fender Mounts Fork

N/A

Other Features

Internal dropper post routing compatible

[1] Different tire and rim combinations will result in different clearances.
[2] Depending on drivetrain configuration, tire clearance may be limited by the chain and not the frame.
[3] Listed chainring clearance is worst-case scenario.  Clearances vary widely depending on components and configurations.
[4] Suspension fork length listed at full extension (not at sag)
[5] For suspension fork tire clearance, please reference the fork manufacturer's website.

 

 

RIGID FORK GEOMETRY:

  SM MD LG
Reach 404 426 448 470
Stack 593 602 612 621
Head Tube Angle 69.0° 69.0° 69.0° 69.0°
Head Tube Length 90 100 110 120
Seat Tube Length 368 419 470 521
BB Drop 65 65 65 65
Wheelbase 1087 1113 1138 1164
Chainstay Length 435 435 435 435
Top Tube Length, Actual 556.8 573 595.1 621.8
Top Tube Length, Effective 585 610 635 660
Seat Tube Angle 73.0° 73.0° 73.0° 73.0°
Standover Height 770 797 825 853
Stem Length 70 70 70 80
Stem Angle
Handlebar Width 750 800 800 800
Crank Length 170 175 175 175
Fork Length 483 483 483 483
Fork Rake 47 47 47 47

*Standover is measured from the top of the TT, at the center, with a tire measuring approximately Ø773mm

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