2023 Surly Bikes Preamble Flat Bar MD
Build
700C/29 in × 35 mm
Insights
Design deviates from other sizes of Surly Bikes Preamble
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 567mm |
| Reach | 391mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, Unknown | 565mm |
| Top Tube Length, Actual C-C | 570mm |
| Top Tube Slope | 2.9deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 66mm |
| Bottom Bracket Height | 280mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430mm |
| Front-Center | 603.7mm |
| Front-Center Horizontal | 600mm |
| Wheelbase | 1030mm |
| Fork Offset/Rake | 44mm |
| Fork Length (On-Axis) | 400mm |
| Trail | 66.2mm high |
| Mechanical Trail | 62.9mm |
| Wheel Flop | 19.4mm |
| Standover Height | 826mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 110mm |
Flat Bar Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1722mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 90mm |
| Stem Angle | 7deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 141 ft 9.799999999999955 in to |
Source:https://surlybikes.com/bikes/preamble