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
Geometry
Stack | 567mm | 582mm +15mm |
Reach | 382mm | 382mm +0mm |
Stack to Reach Ratio | 1.48:1 | 1.52:1 |
Seat Tube Length, C-T | — | 500mm |
Seat Tube Length, C-C | — | 440mm |
Seat Tube Length, Unknown | 515mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 554mm |
Top Tube Length, Effective/Horizontal Unknown | 545mm | — |
Top Tube Slope | 7.8deg | 11.1deg +3.3deg |
Head Tube Angle | 71.5deg | 71deg -0.5deg |
Seat Tube Angle | 74deg | 73.7deg -0.3deg |
Head Tube Length | 141mm | 150mm +9mm |
Bottom Bracket Drop | 75mm | 70mm -5mm |
Bottom Bracket Height | 276mm | 279mm +3mm |
Chainstay Length | 420mm | 423mm +3mm |
Chainstay Length Horizontal | 413.3mm | 417.2mm +3.9mm |
Front-Center | 600.5mm | 609.9mm +9.4mm |
Front-Center Horizontal | 595.8mm | 605.9mm +10.1mm |
Wheelbase | 1009mm | 1023.1mm +14.1mm |
Fork Offset/Rake | 47mm | 45mm -2mm |
Trail | 67.9mm high | 72.6mm +4.7mm high |
Mechanical Trail | 64.4mm | 68.6mm +4.2mm |
Wheel Flop | 20.4mm | 22.3mm +1.9mm |
Standover Height | 785mm | — |
Tire to Pedal Spindle | 79.5mm 170 mm cranks | 90.9mm +11.4mm 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 | 38mm -2mm |
Tire Outer Diameter | 702mm | 698mm -4mm |
Bike Length with Tires | 1711mm | 1721.1mm +10.1mm |
| 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://www.wilier.com/en/bikes/gravel/jena?color=j28-black-grey |
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