2025 Surly Bikes Krampus 120mm Fork XL
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 626mm |
| Reach | 464mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, C-T | 521mm |
| Top Tube Length, Effective/Horizontal HT Top | 660mm |
| Top Tube Length, Actual C-C | 621.8mm |
| Top Tube Slope | 11.8deg |
| Head Tube Angle | 68.4deg |
| Seat Tube Angle | 72.4deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 317mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.8mm |
| Front-Center | 744.6mm |
| Front-Center Horizontal | 742.2mm |
| Wheelbase | 1173mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 498mm |
| Trail | 94.4mm very high |
| Mechanical Trail | 87.8mm |
| Wheel Flop | 32.3mm |
| Standover Height | 861mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 192.5mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 142mm |
120mm Fork Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1927.1mm |
| Crank Length | 175mm |
| Handlebar Width | 800mm |
| Stem Length | 80mm |
| Stem Angle | 7deg |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | N/A |
| Brake Type | Disc |
Source:https://surlybikes.com/bikes/krampus