Ostro VAM | Factor Bikes

The Factor Ostro VAM combines aero performance with climbing-bike weight. A redesigned front end with an airfoil head tube, a super-thin 15 mm aero seatpost and integrated aero bottle cages keep drag down, while uprated stiffness and greater compliance improve the ride.

Key features

• Sub-7 kg aero race bike
• 250 g lighter and 7 watts quicker than the previous Ostro VAM (with Black Inc 48|58 wheels)
• Black Inc integrated aero barstem with drops flared by 30 mm
• Seat tube angle 0.5° steeper than before
• Shimano Di2 battery housed in the seat tube
• CeramicSpeed T47A bottom bracket
• Rear-mounted pusher-type seatpost clamp

Wheels

Wheel builds use Black Inc 48|58 (48 mm front, 58 mm rear), optimised for 28 mm tyres.

Sizes

45, 49, 52, 54, 56, 58, 61