FACTOR Ostro Vam - Size 58We do not often put a complete bike on the floor that is ready to ride, but this Ostro VAM was too good not to build exactly the way we wanted. After spending serious time on Ostro VAM ourselves, what we appreciate most is how naturally it handles everything asked of it, climbing with urgency, descending with confidence, and settling into long rides without drawing attention to itself. It is a production bike that rides with the coherence and intent