Surly Krampus Front Suspension 2025
2025 Mountain
Estimate price |
2,699$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Travel Front 120mm -
Fork RockShox 35 Gold RL
-
Groupset XT, Deore -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes Tektro Gemini Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
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
RockShox 35 Gold RL, 29", 15 x 110mm, 120mm Travel, 51mm offset
Drivetrain
Rear Derailleur
Shimano M8100 XT SGS
Front Derailleur
N/A
Shift Levers
Shimano Deore XT M8100
Cassette
SunRace CSMZ800, 11-51t, 12-spd
Crank
Shimano MT511, 30T
Bottom Bracket
73mm threaded (1.37" x 24TPI)
Chain
KMC X12 Anti-Rust
Wheels
Front Hub
Novatec 15x110mm, 32h, 6-bolt
Rear Hub
Novatec 12x148mm, 32h, 6-bolt
Rims
WTB ST i30 TCS 2.0
Tires
Front: Surly Dirt Wizard 29 x 2.6", 60tpi, Tubeless Ready, Rear: Surly Dirt Wizard 29 x 2.6", 60tpi, Tubeless Ready
Brakes
Brakes
Tektro HD-M3520
Brake Levers
Tektro HD-M3520
Cockpit
Stem
ProMax 31.8mm
Handlebar
Salsa Rustler 31.8
Headset
Cane Creek
Seat
Saddle
WTB Volt
Seatpost
Ø30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.504 mm | 1.449 mm | 1.394 mm | 1.349 mm |
| Bottom Bracket Height | 314 mm | 314 mm | 314 mm | 314 mm |
| Front Center | 668 mm | 693 mm | 719 mm | 745 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 92 mm | 93 mm | 94 mm | 94 mm |
| Stack | 597 mm | 607 mm | 616 mm | 626 mm |
| Reach | 397 mm | 419 mm | 442 mm | 464 mm |
| Top Tube Length | 587 mm | 612 mm | 637 mm | 662 mm |
| Seat Tube Angle | 72.4 ° | 72.4 ° | 72.4 ° | 72.4 ° |
| Seat Tube Length | 368 mm | 419 mm | 470 mm | 521 mm |
| Head Tube Angle | 68.4 ° | 68.4 ° | 68.4 ° | 68.4 ° |
| Head Tube Length | 90 mm | 100 mm | 110 mm | 120 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1096 mm | 1121 mm | 1147 mm | 1173 mm |
| Bottom Bracket Drop | 60 mm | 60 mm | 60 mm | 60 mm |
| Standover Height | 776 mm | 803 mm | 832 mm | 861 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |