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Factor Bike 02 Disc Road Frameset - 2018 $5,049.00
What's Stopping You?
Factor Bikes is a relatively newcomer in the road bike market but their work with team AG2R La Mondiale and palmarès it has already achieved put the brand in the sport's elite. It isn't afraid to push the boundaries of traditional frame designs in the quest of building the best road frames available. The British brand's O2 Disc Road Frameset forgoes many of the aerodynamic features we find on their other bikes which help the frame drop weight and improves the ride quality. The O2 is the frame of choice for the pros at AG2R that count on it to help them conquer both the brutal cobbles at Roubaix and later in the season, on hors catégorie climbs.
The O2 doesn't have the OTIS head tube/fork construction of the One or the Twin Vane down tube of the One-S, but it does feature the same fastidious layup and carbon fiber selection that yields an uncompromising ride and a featherweight 750-gram frame. Low weight is fanatic, but not if it comes at the expense of drivetrain efficiency or handling. Thankfully, the O2 disc has stiffness in spades so you can get on the gas after the last turn of a crit for the mad dash to the line without hesitation, or descend a sinuous canyon road at speed with total confidence. Amazingly, Factor pulls this off with a ride that is way less punishing than most ultra-lightweight climbing bikes and one that is befitting a GC leader on a 3-week stage race.
Factor's collaboration with big names in the cycling industry and a big name in automotive aerodynamics helped foster the development of such leading edge designs seen on the firm's frames. The project was started by bf1systems, a motorsport firm that dabbled in cycling with the revolutionary Factor 001 and Vis Vires framesets. A group of two-wheeled visionaries, including a former green jersey winner at the Tour, recognized the potential of bf1systems' designs and grabbed the Factor name and technology, and sought to produce class-leading bikes and ultimately sponsor a World Tour team.
Aerodynamics are not the sole aim of the O2 disc however, the designers didn't completely ignore this all together and features are present helping the bike move through the wind. Tube shapes see a rounded face profile and a truncated trailing edge seen on many newer bike designs. It effectively tricks the wind into believing the tube is deeper than it is, resulting in airflow that remains attached longer versus immediately becoming turbulent after passing over the tube. This helps reduce the negative vacuum of trailing drag and prevents crosswinds from blowing the bike across the road, keeping you in control.
Further aerodynamic features are found with the hidden seatpost clamp, super skinny seatstays, internal cable routing, and the included integrated stem and bar designed as an important part of drag reduction between frame and rider. These wind-cheating features are welcome and unique on a frame that is more focused on summiting climbs versus high-speed efficiency.
The creative tube shapes responsible for the subtle aerodynamics are also responsible for the excellent ride quality. Most lightweight climbing bikes are sketchy over rough pavement and the chassis skips over imperfections rather than absorbing it. Careful consideration to the carbon lay-up, geometry, and tubes are all at work here. Factor frames are constructed in a factory specializing only in high-end carbon road frames. The O2's EM2 RGicarbon construction involves three carbon fibers that balance the vibration damping and durable compliance of lower and middle moduli, with the unyielding stiffness of the exotic High Pitch Fiber. The High Pitch Fiber is as rare as it is expensive and its workers go through rigorous training to correctly use this material. Despite the cost and difficulty of working with it, Factor uses it because High Pitch fiber helps give its bikes low weight and a signature ride quality.
In addition to the fork and seatpost, Factor packages the O2 with a Ceramic Speed bottom bracket and headset, a compression plug, headset spacers, a spare derailleur hanger, bar tape, and the before mentioned bar/stem combo. The O2 disc enjoys generous clearance, allowing 28mm tires so this rocket to dabble in areas that previously were unthinkable for a pure race bike.
- Factor's disc brake road rocket
- Carbon lay-up for lightweight and responsiveness
- One-piece carbon bar and stem keep the cockpit aerodynamic
- Black Inc. carbon seatpost and integrated clamp
- Includes CeramicSpeed bottom bracket and headset
- Internal routing is mechanical and electronic ready
- Generous tire clearance for up to 28mm tires
- Slight aero designs help the bike keep speed in the valleys
More O2 builds
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Effective Top Tube
Head Tube Angle
Seat Tube Angle
Bottom Bracket Drop