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 Brother Cycles Kepler
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Surly Bikes Midnight Special
Geometry
Stack | 562mm | 580mm +18mm |
Reach | 388mm | 393mm +5mm |
Stack to Reach Ratio | 1.45:1 | 1.48:1 |
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 | 560mm | 564mm +4mm |
Top Tube Slope | 0.8deg | 2.6deg +1.8deg |
Head Tube Angle | 72deg | 73deg +1deg |
Seat Tube Angle | 73deg | 73deg +0deg |
Head Tube Length | 124mm | 140mm +16mm |
Bottom Bracket Drop | 70mm | 65mm -5mm |
Bottom Bracket Height | 278mm | 274mm -4mm |
Chainstay Length | 435mm | 425mm -10mm |
Chainstay Length Horizontal | 429.3mm | 420mm -9.3mm |
Front-Center | 599.8mm | 595.6mm -4.2mm |
Front-Center Horizontal | 595.7mm | 592mm -3.7mm |
Wheelbase | 1025mm | 1012mm -13mm |
Fork Offset/Rake | 45mm | 40mm -5mm |
Fork Length (Axle-To-Crown) | 400mm | 400mm +0mm |
Trail | 65.8mm high | 61.8mm -4mm mid/neutral |
Mechanical Trail | 62.5mm | 59.1mm -3.4mm |
Wheel Flop | 19.3mm | 17.3mm -2mm |
Standover Height | — | 827mm |
Tire to Pedal Spindle | 79.3mm 172.5 mm cranks | 81.6mm +2.3mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 105.5mm 172.5 mm cranks | 99mm -6.5mm 175 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 37mm | 47mm +10mm |
Tire Outer Diameter | 696mm | 678mm -18mm |
Bike Length with Tires | 1721mm | 1690mm -31mm |
Crank Length | 172.5mm | 175mm +2.5mm |
Handlebar Width | 440mm | 440mm +0mm |
Stem Length | 110mm | 100mm -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://www.brothercycles.com/shop/bikes/kepler-disc-complete/ | https://surlybikes.com/bikes/midnight_special |
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