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. Rolling on 29” x 3” tires, this bike can roll over just about anything you can point it at.
- 100% Surly 4130 Chromoly steel frame and fork; double-butted main triangle and 44mm headtube
- The tubeset uses Surly custom trumpet tubes for greater stiffness and durability
- Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142, 148 12mm thru-axle, as well as 135mm with 10/12 washer
- Internal dropper seatpost routing
- ED coated for an added layer of internal frame protection
- Clearance for 29 x 3″ tires
Geometry
Frame measurements (mm) | SM | MD | LG | XL |
---|---|---|---|---|
A. BB Drop | 65 | 65 | 65 | 65 |
B. Chainstay Length | 435 | 435 | 435 | 435 |
C. Fork Length – Axle to Crown | 483 | 483 | 483 | 483 |
D. Fork Offset | 47 | 47 | 47 | 47 |
E. Head Tube Angle (deg) | 69 | 69 | 69 | 69 |
F. Headtube Length | 90 | 100 | 110 | 120 |
G. Reach | 404 | 426 | 448 | 470 |
H. Seat Tube Angle (deg) | 73 | 73 | 73 | 73 |
I. Seat Tube Length – Center to Top | 368 | 419 | 470 | 521 |
J. Stack | 593 | 602 | 612 | 621 |
K. Standover | 770 | 797 | 825 | 853 |
L. Top Tube Length (Effective) | 585 | 610 | 635 | 660 |
M. Wheelbase | 1087 | 1113 | 1138 | 1164 |
Specs
- Platform: Krampus
- TT (Effective): 610
- Frame Type: Rigid
- Fork Type: Rigid
- Wheel Size: 29+
- Frame Material: Steel
- Fork Material: Steel
- Color: Tangled Up In Blue / Static Sunset
- Defined Color: Blue
- Front Axle: 15mm Thru x 110mm
- Rear Axle: 12mm Thru x 148mm
- Brake Type: Disc