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 | 519mm | 520mm +1mm |
Reach | 366mm | 356mm -10mm |
Stack to Reach Ratio | 1.42:1 | 1.46:1 |
Seat Tube Length, C-T | — | 418mm |
Seat Tube Length, Unknown | 435mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 506mm |
Top Tube Length, Effective/Horizontal Unknown | 505mm | — |
Top Tube Slope | 11.7deg | 14.1deg +2.4deg |
Head Tube Angle | 71deg | 70deg -1deg |
Seat Tube Angle | 75deg | 73.5deg -1.5deg |
Head Tube Length | 90mm | — |
Bottom Bracket Drop | 77mm | 82mm +5mm |
Bottom Bracket Height | 274mm | 274mm +0mm |
Chainstay Length | 420mm | 425mm +5mm |
Chainstay Length Horizontal | 412.9mm | 417mm +4.1mm |
Front-Center | 573.3mm | 589mm +15.7mm |
Front-Center Horizontal | 568.1mm | 583mm +14.9mm |
Wheelbase | 981mm | 1000mm +19mm |
Fork Offset/Rake | 47mm | 50mm +3mm |
Trail | 71.2mm high | 76.4mm +5.2mm high |
Mechanical Trail | 67.3mm | 71.8mm +4.5mm |
Wheel Flop | 21.9mm | 24.5mm +2.6mm |
Standover Height | 722mm | 713mm -9mm |
Tire to Pedal Spindle | 52.3mm 170 mm cranks | 63mm +10.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 104mm 170 mm cranks | 104mm +0mm 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 | 1683mm | 1712mm +29mm |
| 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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