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 OPEN Cycle U.P.
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A40
Geometry
Stack | 620mm | 638mm +18mm |
Reach | 404mm | 406mm +2mm |
Stack to Reach Ratio | 1.53:1 | 1.57:1 |
Seat Tube Length, C-T | 518mm | — |
Seat Tube Length, Unknown | — | 585mm |
Top Tube Length, Effective/Horizontal HT Top | 584mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 601mm |
Top Tube Slope | 12.6deg | 7.8deg -4.8deg |
Head Tube Angle | 72.5deg | 71.5deg -1deg |
Seat Tube Angle | 73.5deg | 73deg -0.5deg |
Head Tube Length | — | 218mm |
Bottom Bracket Drop | 72mm | 73mm +1mm |
Bottom Bracket Height | 284mm | 278mm -6mm |
Chainstay Length | 425mm | 420mm -5mm |
Chainstay Length Horizontal | 418.9mm | 413.6mm -5.3mm |
Front-Center | 634mm | 648.5mm +14.5mm |
Front-Center Horizontal | 630.1mm | 644.4mm +14.3mm |
Wheelbase | 1049mm | 1058mm +9mm |
Fork Offset/Rake | 50mm | 47mm -3mm |
Trail | 59.8mm mid/neutral | 67.9mm +8.1mm high |
Mechanical Trail | 57.1mm | 64.4mm +7.3mm |
Wheel Flop | 17.2mm | 20.4mm +3.2mm |
Standover Height | 815mm | 855mm +40mm |
Tire to Pedal Spindle | 108mm 170 mm cranks | 127.5mm +19.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 114mm 170 mm cranks | 108mm -6mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 45mm | 40mm -5mm |
Tire Outer Diameter | 712mm | 702mm -10mm |
Bike Length with Tires | 1761mm | 1760mm -1mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Titanium |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Unknown |
Meta
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| Source | https://opencycle.com/upper-20 | SERK.CC |
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