Jamis Ventura: geometry and sizes
Jamis may sell more than one frame under the Ventura name, each with its own geometry. These are the ones in the database. Each shows stack and reach for the smallest and largest size. The numbers for every size are on the model page.
The tables show the smallest and largest size, each with stack / reach in millimetres. Both terms are explained in the glossary.
Current Jamis Ventura versions
| Version | Smallest | Largest |
|---|---|---|
| Ventura 2026 endurance road · aluminium | 48 · 531 / 360 | 61 · 635 / 388 |
| Ventura All-Road 2026 allroad · aluminium | 44 · 521 / 358 | 61 · 635 / 388 |
| Ventura Women's 2026 endurance road · aluminium | 44 · 521 / 358 | 54 · 580 / 375 |
Older Jamis Ventura model years
Frame geometry only, no build. Model years are approximate.
| Version | Smallest | Largest |
|---|---|---|
| Ventura Race 2017–2019 | 48 · 534.6 / 359.5 | 61 · 634.9 / 387.9 |
| Ventura Race Femme 2017–2019 | 44 · 523.3 / 357.6 | 54 · 580.2 / 374.6 |
| Ventura Race / Ventura Sport 2017 | 48 cm · 532 / 361 | 56 cm · 598 / 372 |
| Ventura Sport Femme 2017 | 44 cm · 525 / 361 | 48 cm · 527 / 366 |
| Ventura Sport 2015–2016 | 48 · 532 / 361 | 61 · 636 / 389 |
| Ventura Sport Femme 2015–2016 | 44 · 525 / 361 | 54 · 565 / 366 |
The same size label on two versions doesn’t mean the same frame. And stack and reach only describe the frame: where the bars end up also depends on the stem, spacers and bars.
There’s no sizing by height here. Everything starts from your position. Enter your position and I’ll work out which versions and sizes match it.