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 | 545mm | 548mm +3mm |
Reach | 368mm | 374mm +6mm |
Stack to Reach Ratio | 1.48:1 | 1.47:1 |
Seat Tube Length, C-T | 449mm | — |
Seat Tube Length, Unknown | — | 495mm |
Top Tube Length, Effective/Horizontal HT Top | 525mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 526mm |
Top Tube Slope | 13deg | 8deg -5deg |
Head Tube Angle | 71.5deg | 71.5deg +0deg |
Seat Tube Angle | 73.5deg | 74.5deg +1deg |
Head Tube Length | — | 121mm |
Bottom Bracket Drop | 77mm | 75mm -2mm |
Bottom Bracket Height | 279mm | 276mm -3mm |
Chainstay Length | 425mm | 420mm -5mm |
Chainstay Length Horizontal | 418mm | 413.3mm -4.7mm |
Front-Center | 590mm | 586.6mm -3.4mm |
Front-Center Horizontal | 585mm | 581.8mm -3.2mm |
Wheelbase | 1003mm | 995mm -8mm |
Fork Offset/Rake | 50mm | 47mm -3mm |
Trail | 66.4mm high | 67.9mm +1.5mm high |
Mechanical Trail | 63mm | 64.4mm +1.4mm |
Wheel Flop | 20mm | 20.4mm +0.4mm |
Standover Height | 745mm | 767mm +22mm |
Tire to Pedal Spindle | 64mm 170 mm cranks | 65.6mm +1.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 106mm -3mm 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 | 1715mm | 1697mm -18mm |
| 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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