Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Somewhat aggressive stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Surly Bikes Midnight Special
Geometry
Stack | 570mm | 560mm -10mm |
Reach | 383mm | 389mm +6mm |
Stack to Reach Ratio | 1.49:1 | 1.44:1 |
Seat Tube Length, C-T | 520mm | — |
Seat Tube Length, Unknown | — | 540mm |
Top Tube Length, Effective/Horizontal HT Top | 546mm | — |
Top Tube Length, Actual C-C | — | 552mm |
Top Tube Slope | 7.6deg | 4.5deg -3.1deg |
Head Tube Angle | 71deg | 72.5deg +1.5deg |
Seat Tube Angle | 74deg | 73.5deg -0.5deg |
Head Tube Length | 126mm | 125mm -1mm |
Bottom Bracket Drop | 72mm | 65mm -7mm |
Bottom Bracket Height | 267mm | 284mm +17mm |
Chainstay Length | 435mm | 425mm -10mm |
Chainstay Length Horizontal | 429mm | 420mm -9mm |
Front-Center | 606mm | 601.5mm -4.5mm |
Front-Center Horizontal | 602mm | 598mm -4mm |
Wheelbase | 1031mm | 1018mm -13mm |
Fork Offset/Rake | 45mm | 50mm +5mm |
Fork Length (On-Axis) | 405mm | 400mm -5mm |
Trail | 69.1mm high | 57.6mm -11.5mm mid/neutral |
Mechanical Trail | 65.4mm | 55mm -10.4mm |
Wheel Flop | 21.3mm | 16.5mm -4.8mm |
Standover Height | 770mm | 806mm +36mm |
Tire to Pedal Spindle | 97mm 170 mm cranks | 77.5mm -19.5mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 109mm +12mm 175 mm cranks |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 47mm | 38mm -9mm |
Tire Outer Diameter | 678mm | 698mm +20mm |
Bike Length with Tires | 1709mm | 1716mm +7mm |
Crank Length | — | 175mm |
Handlebar Width | — | 420mm |
Stem Length | — | 100120mm |
Stem Angle | — | 6deg |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Steel | Steel |
| Fork Material | Steel | Steel |
| Brake Type | Disc | Disc |
Meta
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| Source | http://www.konaworld.com/rove_st.cfm | https://surlybikes.com/bikes/midnight_special |
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