Bike-on-Bike
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Surly Bikes Midnight Special
Geometry
Stack | 538mm | — |
Reach | 366mm | — |
Stack to Reach Ratio | 1.47:1 | — |
Seat Tube Length, C-TTT | 460mm | — |
Top Tube Length, Effective/Horizontal HT Top | 520mm | — |
Top Tube Length, Actual C-C | 506mm | — |
Top Tube Slope | 8.7deg | — |
Head Tube Angle | 71.5deg | — |
Seat Tube Angle | 74deg | — |
Head Tube Length | 100mm | — |
Bottom Bracket Drop | 70mm | — |
Bottom Bracket Height | 269mm | — |
Chainstay Length | 425mm | — |
Chainstay Length Horizontal | 419.2mm | — |
Front-Center | 579.1mm | — |
Front-Center Horizontal | 574.8mm | — |
Wheelbase | 994mm | — |
Fork Offset/Rake | 47mm | — |
Fork Length (Axle-To-Crown) | 395mm | — |
Trail | 63.9mm mid/neutral | — — |
Mechanical Trail | 60.6mm | — |
Wheel Flop | 19.2mm | — |
Standover Height | 751mm | — |
Tire to Pedal Spindle | 70.1mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 99mm 170 mm cranks | — |
Build
Wheel Size | 650B/27.5 in 584 mm BSD | — — |
Tire Width | 47mm | — |
Tire Outer Diameter | 678mm | — |
Bike Length with Tires | 1672mm | — |
Crank Length | 170mm | — |
Handlebar Width | 400mm | — |
Stem Length | 80mm | — |
Stem Angle | 6deg | — |
| Suspension Type | Rigid, non-suspension corrected | — |
| Bar Type | Drop Bar | — |
| Frame Material | Steel | — |
| Fork Material | Steel | — |
| Brake Type | Disc | — |
Meta
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| Source | https://surlybikes.com/bikes/midnight_special | — |
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