Racers who want a boutique aero-light bike. O2 VAM is the climbing sibling; LS is gravel.
Factor's aero-all-rounder: light enough to climb, aero enough to race, and a stiff, precise race bike that reviewers keep measuring against the Tarmac SL8.
Racers who want a boutique aero-light bike. O2 VAM is the climbing sibling; LS is gravel.
Factor's aero-all-rounder: light enough to climb, aero enough to race, and a stiff, precise race bike that reviewers keep measuring against the Tarmac SL8.
| Measurement |  FactorOstro VAM 2025 | FactorOstro VAM 2024 |
|---|---|---|
| Stackmm | 562 | 562 |
| Reachmm | 390 | 390 |
| Head tube angle° | 73.3 | 73.3 |
| Seat tube angle° | 73.2 | 73.2 |
| Chainstaymm | 405 | 405 |
| Wheelbasemm | 995 | 995 |
| BB dropmm | 70 | 70 |
| BB heightmm | — | — |
| Standovermm | — | — |
| Part | Ostro VAM 56 | Ostro VAM 56 |
|---|---|---|
| Stem | 100 mm | 100 mm |
| Bar | 420 mm | 420 mm |
| Crank | 172.5 mm | 172.5 mm |
Overall, the Ostro Vam is adept at delivering a race bike feel, without any of the common downsides I see in less refined bikes. Factor Ostro Vam forks. (Image ...
Ridden by the Israel-Premier Tech pro team, the Ostro VAM is Factor's all-round racing bike, balancing aero attributes with light weight. Former Cyclist website ...
Factor releases new Ostro VAM as “the benchmark aerodynamic, lightweight race bike”. Updated road bike has better aero efficiency than Specialized Tarmac ...
What's it like living with a superbike like the Factor Ostro Vam? We put it to the test, living with it for six months and 1500+ miles.
