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 Wilier Triestina Jena
Geometry
Stack | 548mm | 556mm +8mm |
Reach | 374mm | 372mm -2mm |
Stack to Reach Ratio | 1.47:1 | 1.49:1 |
Seat Tube Length, C-T | — | 470mm |
Seat Tube Length, C-C | — | 410mm |
Seat Tube Length, Unknown | 495mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 531mm |
Top Tube Length, Effective/Horizontal Unknown | 526mm | — |
Top Tube Slope | 8deg | 11.7deg +3.7deg |
Head Tube Angle | 71.5deg | 70.5deg -1deg |
Seat Tube Angle | 74.5deg | 74.3deg -0.2deg |
Head Tube Length | 121mm | 125mm +4mm |
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 | 586.6mm | 596mm +9.4mm |
Front-Center Horizontal | 581.8mm | 591.8mm +10mm |
Wheelbase | 995mm | 1009mm +14mm |
Fork Offset/Rake | 47mm | 45mm -2mm |
Trail | 67.9mm high | 75.9mm +8mm high |
Mechanical Trail | 64.4mm | 71.5mm +7.1mm |
Wheel Flop | 20.4mm | 23.9mm +3.5mm |
Standover Height | 767mm | — |
Tire to Pedal Spindle | 65.6mm 170 mm cranks | 77mm +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 | 1697mm | 1707mm +10mm |
| 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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