An updated version of the Factor O2 was recently released, improving on the first generation by incorporating manufacturing processes used on the flagship O2 VAM. These techniques combine to make version 2 stronger, lighter and faster. One other item of note is the additional clearance for tires up to 30mm, a welcome bit of news for those of us relying on the “bigger is better” maxim.  Available in both rim and disc brake versions, and for both electronic or mechanical shifting, the O2 is available now starting at $2700.00.