Bike-on-Bike
surly ms 700c
brother fat
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Surly Bikes Midnight Special
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Brother Cycles Kepler
Geometry
Stack | 580mm | 562mm -18mm |
Reach | 393mm | 388mm -5mm |
Stack to Reach Ratio | 1.48:1 | 1.45:1 |
Seat Tube Length, C-TTT | 560mm | 560mm +0mm |
Seat Tube Length, C-C | — | 545mm |
Top Tube Length, Effective/Horizontal HT Top | 570mm | — |
Top Tube Length, Actual C-C | 564mm | 560mm -4mm |
Top Tube Slope | 2.6deg | 0.8deg -1.8deg |
Head Tube Angle | 73deg | 72deg -1deg |
Seat Tube Angle | 73deg | 73deg +0deg |
Head Tube Length | 140mm | 124mm -16mm |
Bottom Bracket Drop | 65mm | 70mm +5mm |
Bottom Bracket Height | 287mm | 282mm -5mm |
Chainstay Length | 425mm | 435mm +10mm |
Chainstay Length Horizontal | 420mm | 429.3mm +9.3mm |
Front-Center | 595.6mm | 599.8mm +4.2mm |
Front-Center Horizontal | 592mm | 595.7mm +3.7mm |
Wheelbase | 1012mm | 1025mm +13mm |
Fork Offset/Rake | 40mm | 45mm +5mm |
Fork Length (Axle-To-Crown) | 400mm | 400mm +0mm |
Trail | 65.8mm high | 67.1mm +1.3mm high |
Mechanical Trail | 62.9mm | 63.8mm +0.9mm |
Wheel Flop | 18.4mm | 19.7mm +1.3mm |
Standover Height | 840mm | — |
Tire to Pedal Spindle | 73.6mm 170 mm cranks | 77.8mm +4.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 117mm 170 mm cranks | 112mm -5mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 41mm | 41mm +0mm |
Tire Outer Diameter | 704mm | 704mm +0mm |
Bike Length with Tires | 1716mm | 1729mm +13mm |
Crank Length | 175mm | 172.5mm -2.5mm |
Handlebar Width | 440mm | 440mm +0mm |
Stem Length | 100mm | 110mm +10mm |
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 | https://surlybikes.com/bikes/midnight_special | https://www.brothercycles.com/shop/bikes/kepler-disc-complete/ |
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