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