2017 Surly Bikes 1x1 Base Medium (18)
Build
26 in × 2.3 in
Stack and Reach vs. Category Trend
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Geometry
| Stack | 570mm |
| Reach | 421mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, C-T | 457.5mm |
| Top Tube Length, Effective/Horizontal Center | 596mm |
| Top Tube Slope | 13.4deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 40mm |
| Bottom Bracket Height | 297.9mm |
| Chainstay Length | 419mm |
| Chainstay Length Horizontal | 417.1mm |
| Front-Center | 646.8mm |
| Front-Center Horizontal | 645.5mm |
| Wheelbase | 1062.6mm |
| Fork Offset/Rake | 40mm |
| Fork Length (Axle-To-Crown) | 453mm |
| Trail | 74.1mm high |
| Mechanical Trail | 70mm |
| Wheel Flop | 22.8mm |
| Standover Height | 774mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 138.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 127.9mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 675.8mm |
| Bike Length with Tires | 1738.4mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:Bike Counterculture Geometry Database