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 | 519mm | 531mm +12mm |
Reach | 366mm | 363mm -3mm |
Stack to Reach Ratio | 1.42:1 | 1.46:1 |
Seat Tube Length, C-T | — | 440mm |
Seat Tube Length, C-C | — | 380mm |
Seat Tube Length, Unknown | 435mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 508mm |
Top Tube Length, Effective/Horizontal Unknown | 505mm | — |
Top Tube Slope | 11.7deg | 12.5deg +0.8deg |
Head Tube Angle | 71deg | 70deg -1deg |
Seat Tube Angle | 75deg | 75deg +0deg |
Head Tube Length | 90mm | 100mm +10mm |
Bottom Bracket Drop | 77mm | 70mm -7mm |
Bottom Bracket Height | 274mm | 279mm +5mm |
Chainstay Length | 420mm | 423mm +3mm |
Chainstay Length Horizontal | 412.9mm | 417.2mm +4.3mm |
Front-Center | 573.3mm | 582.9mm +9.6mm |
Front-Center Horizontal | 568.1mm | 578.7mm +10.6mm |
Wheelbase | 981mm | 995.9mm +14.9mm |
Fork Offset/Rake | 47mm | 45mm -2mm |
Trail | 71.2mm high | 79.1mm +7.9mm high |
Mechanical Trail | 67.3mm | 74.4mm +7.1mm |
Wheel Flop | 21.9mm | 25.4mm +3.5mm |
Standover Height | 722mm | — |
Tire to Pedal Spindle | 52.3mm 170 mm cranks | 63.9mm +11.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 104mm 170 mm cranks | 109mm +5mm 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 | 1683mm | 1693.9mm +10.9mm |
| 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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