Bike-on-Bike
Default Config
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A40
Geometry
Stack | 582mm | 590mm +8mm |
Reach | 382mm | 390mm +8mm |
Stack to Reach Ratio | 1.52:1 | 1.51:1 |
Seat Tube Length, C-T | 500mm | — |
Seat Tube Length, C-C | 440mm | — |
Seat Tube Length, Unknown | — | 535mm |
Top Tube Length, Effective/Horizontal HT Top | 554mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | 565mm |
Top Tube Slope | 11.1deg | 8.1deg -3deg |
Head Tube Angle | 71deg | 71.5deg +0.5deg |
Seat Tube Angle | 73.7deg | 73.5deg -0.2deg |
Head Tube Length | 150mm | 168mm +18mm |
Bottom Bracket Drop | 70mm | 73mm +3mm |
Bottom Bracket Height | 279mm | 278mm -1mm |
Chainstay Length | 423mm | 420mm -3mm |
Chainstay Length Horizontal | 417.2mm | 413.6mm -3.6mm |
Front-Center | 609.9mm | 616.7mm +6.8mm |
Front-Center Horizontal | 605.9mm | 612.4mm +6.5mm |
Wheelbase | 1023.1mm | 1026mm +2.9mm |
Fork Offset/Rake | 45mm | 47mm +2mm |
Trail | 72.6mm high | 67.9mm -4.7mm high |
Mechanical Trail | 68.6mm | 64.4mm -4.2mm |
Wheel Flop | 22.3mm | 20.4mm -1.9mm |
Standover Height | — | 808mm |
Tire to Pedal Spindle | 90.9mm 170 mm cranks | 95.7mm +4.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 108mm -1mm 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 | 1721.1mm | 1728mm +6.9mm |
| 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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