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.
Aero racers. Specialissima if you want light.
Bianchi aero race bike with Air Deflector aero thinking. Fast, integrated, still a race stack/reach chart.
| Measurement |  FactorOstro VAM 2027 | FactorOstro VAM 2026 |  BianchiOltre RC 2022 |
|---|---|---|---|
| Stackmm | 565 | 562−3 | 550−15 |
| Reachmm | 392 | 390−2 | 387−5 |
| Head tube angle° | 73.3 | 73.3 | 72.8−0.5 |
| Seat tube angle° | 73.5 | 73.2−0.3 | 73.2−0.3 |
| Chainstaymm | 405 | 405 | 408+3 |
| Wheelbasemm | 987 | 995+8 | 994+7 |
| BB dropmm | 70 | 70 | 70 |
| BB heightmm | — | — | — |
| Standovermm | — | — | — |
| Part | Ostro VAM 56 | Ostro VAM 56 | Oltre RC 55 |
|---|---|---|---|
| Stem | 100 mm | 100 mm | 100 mm |
| Bar | 420 mm | 420 mm | 420 mm |
| Crank | 172.5 mm | 172.5 mm | 172.5 mm |
The Bianchi Oltre RC frame is claimed to weigh 915g in a size 55cm (roughly equivalent to a size medium), with the fork adding a further 420g. The Oltre Pro ...
At the bike's launch, Bianchi claimed the Oltre RC offers a 17.1-watt saving over the outgoing Oltre XR4 at speeds of 50km/h, as well as a 45-second saving over ...
