Bike-on-Bike
Default Config
XL
No Diagram
Default Config
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Wilier Triestina Jena
Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of LightCarbon LCG072-D
Geometry
Stack | 608mm | 604.9mm -3.1mm |
Reach | 391mm | 393mm +2mm |
Stack to Reach Ratio | 1.55:1 | 1.54:1 |
Seat Tube Length, C-T | 530mm | — |
Seat Tube Length, C-C | 470mm | — |
Seat Tube Length, Effective Unknown | — | 536mm |
Top Tube Length, Effective/Horizontal Center | — | 566.6mm |
Top Tube Length, Effective/Horizontal HT Top | 577mm | — |
Top Tube Slope | 10.5deg | — |
Head Tube Angle | 71.5deg | 71.5deg +0deg |
Seat Tube Angle | 73.1deg | 74deg +0.9deg |
Head Tube Length | 175mm | 192mm +17mm |
Bottom Bracket Drop | 70mm | 76mm +6mm |
Bottom Bracket Height | 279mm | 285mm +6mm |
Chainstay Length | 423mm | 420mm -3mm |
Chainstay Length Horizontal | 417.2mm | 413.1mm -4.1mm |
Front-Center | 622.4mm | 628.9mm +6.5mm |
Front-Center Horizontal | 618.5mm | 627.3mm +8.8mm |
Wheelbase | 1035.6mm | 1040.4mm +4.8mm |
Fork Offset/Rake | 45mm | 51.5mm +6.5mm |
Fork Length (On-Axis) | — | 383mm |
Trail | 69.3mm high | 66.5mm -2.8mm high |
Mechanical Trail | 65.7mm | 63.1mm -2.6mm |
Wheel Flop | 20.9mm | 20mm -0.9mm |
Standover Height | — | 828mm |
Tire to Pedal Spindle | 103.4mm 170 mm cranks | 97.9mm -5.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 115mm +6mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 38mm | 50mm +12mm |
Tire Outer Diameter | 698mm | 722mm +24mm |
Bike Length with Tires | 1733.6mm | 1762.4mm +28.8mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Disc |
Meta
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| Source | https://www.wilier.com/en/bikes/gravel/jena?color=j28-black-grey | https://de.lightcarbon.com/uploadfile/downloads/2026-2027%20LightCarbon%20Frame+Component%20Catalog%20-V1.pdf |
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