Factor Ostro VAM

The aero all-rounder category has become the vanguard of most brands’ ranges and the default choice of most pro teams. After all, drag even affects how fast you climb a mountain. But so does weight, and aero bikes tend to be heavier because they have more complex tube shapes. Reconciling lightness and aerodynamics is the big challenge, then, which is where the Factor Ostro VAM comes in.

‘In any new project, we use a ranking system for aero, lightness and comfort,’ says Factor’s owner, Rob Gitelis. ‘The Ostro had a very clear goal – to be the most aero 780g frame.