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 | 638mm | 633mm -5mm |
Reach | 406mm | 401mm -5mm |
Stack to Reach Ratio | 1.57:1 | 1.58:1 |
Seat Tube Length, C-T | — | 570mm |
Seat Tube Length, C-C | — | 510mm |
Seat Tube Length, Unknown | 585mm | — |
Top Tube Length, Effective/Horizontal HT Top | — | 600mm |
Top Tube Length, Effective/Horizontal Unknown | 601mm | — |
Top Tube Slope | 7.8deg | 8.9deg +1.1deg |
Head Tube Angle | 71.5deg | 72deg +0.5deg |
Seat Tube Angle | 73deg | 72.6deg -0.4deg |
Head Tube Length | 218mm | 200mm -18mm |
Bottom Bracket Drop | 73mm | 70mm -3mm |
Bottom Bracket Height | 278mm | 279mm +1mm |
Chainstay Length | 420mm | 423mm +3mm |
Chainstay Length Horizontal | 413.6mm | 417.2mm +3.6mm |
Front-Center | 648.5mm | 635.1mm -13.4mm |
Front-Center Horizontal | 644.4mm | 631.3mm -13.1mm |
Wheelbase | 1058mm | 1048.4mm -9.6mm |
Fork Offset/Rake | 47mm | 45mm -2mm |
Trail | 67.9mm high | 66.1mm -1.8mm high |
Mechanical Trail | 64.4mm | 62.9mm -1.5mm |
Wheel Flop | 20.4mm | 19.4mm -1mm |
Standover Height | 855mm | — |
Tire to Pedal Spindle | 127.5mm 170 mm cranks | 116.1mm -11.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 108mm 170 mm cranks | 109mm +1mm 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 | 1760mm | 1746.4mm -13.6mm |
| 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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