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 Wilier Triestina Jena
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A40
Geometry
Stack | 556mm | 548mm -8mm |
Reach | 372mm | 374mm +2mm |
Stack to Reach Ratio | 1.49:1 | 1.47:1 |
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 | 11.7deg | 8deg -3.7deg |
Head Tube Angle | 70.5deg | 71.5deg +1deg |
Seat Tube Angle | 74.3deg | 74.5deg +0.2deg |
Head Tube Length | 125mm | 121mm -4mm |
Bottom Bracket Drop | 70mm | 75mm +5mm |
Bottom Bracket Height | 279mm | 276mm -3mm |
Chainstay Length | 423mm | 420mm -3mm |
Chainstay Length Horizontal | 417.2mm | 413.3mm -3.9mm |
Front-Center | 596mm | 586.6mm -9.4mm |
Front-Center Horizontal | 591.8mm | 581.8mm -10mm |
Wheelbase | 1009mm | 995mm -14mm |
Fork Offset/Rake | 45mm | 47mm +2mm |
Trail | 75.9mm high | 67.9mm -8mm high |
Mechanical Trail | 71.5mm | 64.4mm -7.1mm |
Wheel Flop | 23.9mm | 20.4mm -3.5mm |
Standover Height | — | 767mm |
Tire to Pedal Spindle | 77mm 170 mm cranks | 65.6mm -11.4mm 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 | 38mm | 40mm +2mm |
Tire Outer Diameter | 698mm | 702mm +4mm |
Bike Length with Tires | 1707mm | 1697mm -10mm |
| 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://www.wilier.com/en/bikes/gravel/jena?color=j28-black-grey | SERK.CC |
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