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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 the palmarès the partnership has already achieved—put the brand in cycling'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 helps the frame drop weight and improves the ride quality for terrain that's rough because of steep climbs or the literal surface conditions.
The O2 is the frame of choice for the pros at AG2R that count on it to help them conquer both the hors catégorie climbs of July and the brutal cobbles of April. We've seen evidence of the former under Bardet, and no less an authority than Factor co-founder and green jersey winner Baden Cooke tells us the O2 is the machine he'd want while jockeying for position in the lead-up to the Arenberg: "For Paris-Roubaix, I would start on the One. I would ride that to 5k before the first secteur, and that's where I'd have my O2 with 28mm tires. I would switch then. Go with the O2."
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 750g frame. Low weight is fanatic, but not if it comes at the expense of drivespine 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 without hesitation or descend a sinuous canyon road at speed with total confidence. Amazingly, Factor pulls this off with a ride that is far less punishing than most ultra-lightweight climbing bikes. it's befitting a GC leader on a 3-week stage race or—as mentioned above—a green jersey winner confronting the Hell of the North.
Factor's collaboration with big names in the cycling and automotive industries 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 Cooke, recognized the potential of bf1systems' designs, grabbed the Factor name and technology, and used it 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 drag altogether. The tube shapes describe a rounded face profile and a truncated trailing edge, a shape seen on many newer bike designs because 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.
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 rolling through and absorbing them. To combat this tendency, 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. High Pitch is as rare as it is expensive, and Factor goes to great lengths to incorporate this material for maximum benefit. Despite the cost and difficulty of working with it, Factor uses it because High Pitch fiber helps give its bikes low weight while maintaining stiffness and a signature ride quality.
Factor found further aerodynamic benefits with the hidden seatpost clamp, super skinny seatstays, internal cable routing, and the included integrated stem and bar. These wind-cheating features are welcome and unique on a frame that is more focused on summiting climbs and gobbling cobbles versus high-speed efficiency.
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 above-mentioned bar/stem combo. The O2 disc enjoys generous clearance, allowing Cooke's preferred 28mm tires so this rocket can dabble in areas that previously were unthinkable for a pure climbing race bike.
- Factor's disc brake road rocket for pavé and HC climbs
- Carbon lay-up for low weight and snappy 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
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Effective Top Tube
Head Tube Angle
Seat Tube Angle
Bottom Bracket Drop