Bike details
Overview
Key information split into simple groups.
Frame summary
-
-
Frame Steel -
Brakes Mechanical Disc
Sizing
Recommended size guide.
SM
162cm - 173cm
MD
170cm - 183cm
LG
180cm - 190cm
XL
188cm - 198cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Surly Krampus - 100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, E.D. coated
Suspension Fork
Surly Krampus - 100% Surly Chromoly Steel, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, E.D. coated
Drivetrain
Bottom Bracket
73mm threaded (1.37" x 24TPI)
Wheels
Tires
29 x 3.0"
Brakes
Brakes
Disc - 51mm I.S. (203mm max rotor)
Seat
Seatpost
Ø30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.468 mm | 1.413 mm | 1.366 mm | 1.321 mm |
| Bottom Bracket Height | 309 mm | 309 mm | 309 mm | 309 mm |
| Front Center | 660 mm | 686 mm | 711 mm | 737 mm |
| Rake | 47 mm | 47 mm | 47 mm | 47 mm |
| Trail | 93 mm | 93 mm | 93 mm | 93 mm |
| Stack | 593 mm | 602 mm | 612 mm | 621 mm |
| Reach | 404 mm | 426 mm | 448 mm | 470 mm |
| Top Tube Length | 585 mm | 610 mm | 635 mm | 660 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 368 mm | 419 mm | 470 mm | 521 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 90 mm | 100 mm | 110 mm | 120 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1087 mm | 1113 mm | 1138 mm | 1164 mm |
| Bottom Bracket Drop | 65 mm | 65 mm | 65 mm | 65 mm |
| Standover Height | 770 mm | 797 mm | 825 mm | 853 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 162 cm | 170 cm | 180 cm | 188 cm |
| Rider Max Height | 173 cm | 183 cm | 190 cm | 198 cm |