Wilier Jena
An adventure-ready gravel bike from 2026, made in 5 sizes from XS to XL. Fits tyres up to 44 mm.
Size
Stack 582 mmReach 382 mm
Geometry
| Size | |||||
|---|---|---|---|---|---|
| Fit | |||||
| Stack (mm)How high the front sits | 531 | 556 | 582 | 608 | 633 |
| Reach (mm)How far forward the bars start | 363 | 372 | 382 | 391 | 401 |
| Stack ÷ reach Higher = more upright | 1.46 | 1.49 | 1.52 | 1.55 | 1.58 |
| Top tube (effective) (mm)Horizontal top-tube length | 508 | 531 | 554 | 577 | 600 |
| Seat tube angle Saddle position over the pedals | 75° | 74.3° | 73.7° | 73.1° | 72.6° |
| Seat tube length (mm)Frame size reference | 380 | 410 | 440 | 470 | 510 |
| Handling | |||||
| Head tube angle Steeper = quicker steering | 70° | 70.5° | 71° | 71.5° | 72° |
| Chainstay (mm)Shorter = snappier | 423 | 423 | 423 | 423 | 423 |
| BB drop (mm)More = lower centre of gravity | 75 | 75 | 75 | 75 | 75 |
| BB height (mm)Pedal clearance in corners | 261 | 261 | 261 | 261 | 261 |
Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.
How it rides
Adventure
An upright, steady position that suits loaded bikes and long hours in the saddle.
Handling, size M
- Chainstays
- Snappy423 mm
- BB drop
- Typical75 mm
Bikes that fit like it
The closest gravel frames from other ranges, against size M here.
| Bike | Size | Stack | Reach |
|---|---|---|---|
| Basso Palta2026Stack −1 mm, reach +7 mm | L | −1 mm | +7 mm |
| Cannondale SuperX 12026Stack −7 mm, reach +3 mm | 56 | −7 mm | +3 mm |
| Kross ESKER 1.02026Stack +4 mm, reach +5 mm | M | +4 mm | +5 mm |
| Giant Revolt Advanced 0 SE2026Stack +4 mm, reach +5 mm | M | +4 mm | +5 mm |
| Merida SILEX 3002024Stack +5 mm, reach −2 mm | XS | +5 mm | −2 mm |
| Marin Gestalt 12025Stack same, reach −5 mm | 54 | same | −5 mm |