Bike-on-Bike
Default Config
Default Config
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Surly Bikes Midnight Special
Geometry
Stack | 543mm | 560mm +17mm |
Reach | 409mm | 389mm -20mm |
Stack to Reach Ratio | 1.33:1 | 1.44:1 |
Seat Tube Length, C-T | 560mm | — |
Seat Tube Length, C-TTT | — | 540mm |
Top Tube Length, Effective/Horizontal HT Top | — | 555mm |
Top Tube Length, Actual C-C | 555mm | 552mm -3mm |
Top Tube Slope | 0.2deg | 2.4deg +2.2deg |
Head Tube Angle | 74.5deg | 72.5deg -2deg |
Seat Tube Angle | 75deg | 73.5deg -1.5deg |
Head Tube Length | 110mm | 125mm +15mm |
Bottom Bracket Drop | 58mm | 65mm +7mm |
Bottom Bracket Height | 293mm | 274mm -19mm |
Chainstay Length | 410mm | 425mm +15mm |
Chainstay Length Horizontal | 405.9mm | 420mm +14.1mm |
Front-Center | 593mm | 601.5mm +8.5mm |
Front-Center Horizontal | 590.1mm | 598mm +7.9mm |
Wheelbase | 996mm | 1018mm +22mm |
Fork Offset/Rake | 45mm | 50mm +5mm |
Fork Length (Axle-To-Crown) | 396mm | 400mm +4mm |
Trail | 50.6mm mid/neutral | 54.5mm +3.9mm mid/neutral |
Mechanical Trail | 48.8mm | 51.9mm +3.1mm |
Wheel Flop | 13mm | 15.6mm +2.6mm |
Standover Height | 828mm | 806mm -22mm |
Tire to Pedal Spindle | 72mm 170 mm cranks | 87.5mm +15.5mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 123mm 170 mm cranks | 99mm -24mm 175 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 40mm | 47mm +7mm |
Tire Outer Diameter | 702mm | 678mm -24mm |
Bike Length with Tires | 1698mm | 1696mm -2mm |
Crank Length | — | 175mm |
Handlebar Width | — | 420mm |
Stem Length | — | 100mm |
Stem Angle | — | 6deg |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Flat Bar | Drop Bar |
| Frame Material | Steel | Steel |
| Fork Material | Steel | Steel |
| Brake Type | Disc | Disc |
| Features | Single-speed capable | — |
Meta
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| Source | https://omniumcargo.dk/shop/product/cxc/#standard-frame-kit-or-complete-bike | https://surlybikes.com/bikes/midnight_special |
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