Bike-on-Bike
Default Config
S
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
Somewhat upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of LightCarbon LCG072-D
Geometry
Stack | 531mm | 547.3mm +16.3mm |
Reach | 363mm | 368mm +5mm |
Stack to Reach Ratio | 1.46:1 | 1.49:1 |
Seat Tube Length, C-T | 440mm | — |
Seat Tube Length, C-C | 380mm | — |
Seat Tube Length, Effective Unknown | — | 480mm |
Top Tube Length, Effective/Horizontal Center | — | 525mm |
Top Tube Length, Effective/Horizontal HT Top | 508mm | — |
Top Tube Slope | 12.5deg | — |
Head Tube Angle | 70deg | 70.5deg +0.5deg |
Seat Tube Angle | 75deg | 74deg -1deg |
Head Tube Length | 100mm | 132mm +32mm |
Bottom Bracket Drop | 70mm | 79mm +9mm |
Bottom Bracket Height | 279mm | 282mm +3mm |
Chainstay Length | 423mm | 420mm -3mm |
Chainstay Length Horizontal | 417.2mm | 412.5mm -4.7mm |
Front-Center | 582.9mm | 593.7mm +10.8mm |
Front-Center Horizontal | 578.7mm | 591.5mm +12.8mm |
Wheelbase | 995.9mm | 1004mm +8.1mm |
Fork Offset/Rake | 45mm | 51.5mm +6.5mm |
Fork Length (On-Axis) | — | 383mm |
Trail | 79.1mm high | 73.2mm -5.9mm high |
Mechanical Trail | 74.4mm | 69mm -5.4mm |
Wheel Flop | 25.4mm | 23mm -2.4mm |
Standover Height | — | 769mm |
Tire to Pedal Spindle | 63.9mm 170 mm cranks | 62.7mm -1.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 112mm +3mm 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 | 1693.9mm | 1726mm +32.1mm |
| 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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