2021 Surly Bikes Krampus 120mm Fork SM
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of hardtail trail mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 597mm |
| Reach | 397mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 368mm |
| Top Tube Length, Effective/Horizontal HT Top | 585mm |
| Top Tube Length, Actual C-C | 556.8mm |
| Top Tube Slope | 25.9deg |
| Head Tube Angle | 68.4deg |
| Seat Tube Angle | 72.4deg |
| Head Tube Length | 90mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 317mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.8mm |
| Front-Center | 667.9mm |
| Front-Center Horizontal | 665.2mm |
| Wheelbase | 1096mm |
| 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 | 776mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 120.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 147mm |
120mm Fork Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1850.1mm |
| Crank Length | 170mm |
| Handlebar Width | 750mm |
| Stem Length | 70mm |
| Stem Angle | 7deg |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | N/A |
| Brake Type | Disc |
Source:https://surlybikes.com/bikes/krampus