Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A40
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of OPEN Cycle U.P.
Geometry
Stack | 590mm | 595mm +5mm |
Reach | 390mm | 392mm +2mm |
Stack to Reach Ratio | 1.51:1 | 1.52:1 |
Seat Tube Length, C-T | — | 504mm |
Seat Tube Length, Unknown | 535mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 564mm |
Top Tube Length, Effective/Horizontal Unknown | 565mm | — |
Top Tube Slope | 8.1deg | 11.8deg +3.7deg |
Head Tube Angle | 71.5deg | 72.5deg +1deg |
Seat Tube Angle | 73.5deg | 73.5deg +0deg |
Head Tube Length | 168mm | — |
Bottom Bracket Drop | 73mm | 73mm +0mm |
Bottom Bracket Height | 278mm | 283mm +5mm |
Chainstay Length | 420mm | 425mm +5mm |
Chainstay Length Horizontal | 413.6mm | 418.7mm +5.1mm |
Front-Center | 616.7mm | 614mm -2.7mm |
Front-Center Horizontal | 612.4mm | 609.3mm -3.1mm |
Wheelbase | 1026mm | 1028mm +2mm |
Fork Offset/Rake | 47mm | 50mm +3mm |
Trail | 67.9mm high | 59.8mm -8.1mm mid/neutral |
Mechanical Trail | 64.4mm | 57.1mm -7.3mm |
Wheel Flop | 20.4mm | 17.2mm -3.2mm |
Standover Height | 808mm | 799mm -9mm |
Tire to Pedal Spindle | 95.7mm 170 mm cranks | 88mm -7.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 108mm 170 mm cranks | 113mm +5mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 45mm +5mm |
Tire Outer Diameter | 702mm | 712mm +10mm |
Bike Length with Tires | 1728mm | 1740mm +12mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Titanium | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Unknown | Disc |
Meta
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| Source | SERK.CC | https://opencycle.com/upper-20 |
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