2015 Surly Bikes Krampus Rigid Fork
- Category
- Rigid MTB
- Design
- Moto/Klunker/Riser Bar, Rigid, suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake, Single-speed capable
Geometry
Small (15") | Medium (17") | Large (19") | XLarge (21") | |
Stack | 589.8mm | 594.5mm | 599.2mm | 613.2mm |
Reach | 399mm | 421.6mm | 441.1mm | 451.7mm |
Stack to Reach Ratio | 1.48:1 | 1.41:1 | 1.36:1 | 1.36:1 |
Seat Tube Length, C-T | 375mm | 425mm | 475.5mm | 525mm |
Top Tube Length, Effective/Horizontal Unknown | 585mm | 609mm | 630mm | 645mm |
Top Tube Length, Actual C-C | 561mm | 578mm | 597.4mm | 614.7mm |
Top Tube Slope | 24.4deg | 19deg | 14deg | 10.5deg |
Head Tube Angle | 69.5deg | 69.5deg | 69.5deg | 69.5deg |
Seat Tube Angle | 72.5deg | 72.5deg | 72.5deg | 72.5deg |
Head Tube Length | 90mm | 95mm | 100mm | 115mm |
Bottom Bracket Drop | 60mm | 60mm | 60mm | 60mm |
Bottom Bracket Height | 327.2mm | 327.2mm | 327.2mm | 327.2mm |
Chainstay Length | 446mm | 446mm | 446mm | 446mm |
Chainstay Length Horizontal | 442mm | 442mm | 442mm | 442mm |
Front-Center | 651.8mm | 676.7mm | 698.6mm | 715.6mm |
Front-Center Horizontal | 649.1mm | 674.1mm | 696.1mm | 713.1mm |
Wheelbase | 1091mm | 1116mm | 1138mm | 1155mm |
Fork Offset/Rake | 47mm | 47mm | 47mm | 47mm |
Fork Length (Axle-To-Crown) | 483mm | 483mm | 483mm | 483mm |
Trail | 94.6mm very high | 94.6mm very high | 94.6mm very high | 94.6mm very high |
Mechanical Trail | 88.6mm | 88.6mm | 88.6mm | 88.6mm |
Wheel Flop | 31mm | 31mm | 31mm | 31mm |
Standover Height | 773mm | 799mm | 825mm | 856mm |
Tire to Pedal Spindle | 94.6mm 170 mm cranks | 119.5mm 170 mm cranks | 141.4mm 170 mm cranks | 153.4mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 157.2mm 170 mm cranks | 157.2mm 170 mm cranks | 157.2mm 170 mm cranks | 152.2mm 175 mm cranks |
Rigid Fork Build
Small (15") | Medium (17") | Large (19") | XLarge (21") | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 3in | 3in | 3in | 3in |
Tire Width Max | 3in | 3in | 3in | 3in |
Tire Outer Diameter | 774.4mm | 774.4mm | 774.4mm | 774.4mm |
Bike Length with Tires | 1865.4mm | 1890.4mm | 1912.4mm | 1929.4mm |
Crank Length | — | — | — | 175mm |
Handlebar Width | — | — | — | 780mm |
Stem Length | — | — | — | 50mm |
Stem Angle | — | — | — | 0deg |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Rigid MTBSource:my phone