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Factor Bike O2 Disc Road Frameset - 2018

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Item # FCB0009

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  • AG2R, 49cm ($5,049.00)
  • AG2R, 52cm ($5,049.00)
  • AG2R, 54cm ($5,049.00)
  • AG2R, 56cm ($5,049.00)
  • AG2R, 58cm ($5,049.00)
  • AG2R, 61cm ($5,049.00)
  • Stealth Black, 49cm ($5,049.00)
  • Stealth Black, 52cm ($5,049.00)
  • Stealth Black, 54cm ($5,049.00)
  • Stealth Black, 56cm ($5,049.00)
  • Stealth Black, 58cm ($5,049.00)
  • Stealth Black, 61cm ($5,049.00)
  • Burnt Orange, 46cm ($5,049.00)
  • Burnt Orange, 49cm ($5,049.00)
  • Burnt Orange, 52cm ($5,049.00)
  • Burnt Orange, 54cm ($5,049.00)
  • Burnt Orange, 56cm ($5,049.00)
  • Burnt Orange, 58cm ($5,049.00)
  • Burnt Orange, 61cm ($5,049.00)
  • Turquoise, 49cm ($5,049.00)
  • Turquoise, 52cm ($5,049.00)
  • Turquoise, 54cm ($5,049.00)
  • Turquoise, 56cm ($5,049.00)
  • Turquoise, 58cm ($5,049.00)
  • Turquoise, 61cm ($5,049.00)
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Item # FCB0009

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Factor Bikes is a relative newcomer to the industry, but its work with team AG2R La Mondiale—and the palmarès the partnership has already achieved—put the brand among cycling's elite. Frames like the innovative One-S prove that Factor isn't afraid to push the boundaries of traditional frame designs in the quest of building the best road frames available; however, the O2 Disc Road Frameset forgoes many of those aerodynamic features, which helps the frame drop weight and improves the ride quality for terrain that's figuratively rough (hors catégorie climbs of July) or literally rough (the brutal pavé of spring).

Those are lofty claims, of course, but the proof is in the pedaling. We've seen evidence of the O2's climbing pedigree under AG2R's grand tour captain, 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 Roubaix," Cooke said, "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 electronic ready
  • Generous tire clearance for up to 28mm tires
  • Slight aero designs help the bike keep speed in the valleys
  • Not compatible with mechanical groupsets

Tech Specs

Frame Material:
RGi Carbon
Wheel Size:
Fork Material:
RGi Carbon
Head Tube Diameter:
1-1/8 - 1-3/8in. tapered
Headset Included:
Bottom Bracket Type:
Cable Routing:
Front Derailleur Mount:
Brake Type:
Compatible Components:
SRAM eTap, Shimano Di2, Rotor UNO Hydraulic, not compatible with mechanical groupsets
Black Inc.
Front Axle:
12 x 100mm thru-axle
Rear Axle:
12 x 142mm thru-axle
Recommended Use:
road cycling
Manufacturer Warranty:
limited lifetime



Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead


Geometry Chart

Factor Bike


Seat Tube

Seat Tube

Effective Top Tube



Stand Over

Head Tube

Head Tube Angle

Seat Tube Angle

Bottom Bracket Height

Bottom Bracket Drop


49cm 45.6cm   51.5cm 49.5cm 36.7cm   9.5cm 70.5o 73o   6.8cm 40.5cm  
52cm 48cm   53.5cm 52cm 37.6cm   11.5cm 72.2o 73o   6.8cm 40.5cm  
54cm 50.2cm   54.9cm 54.2cm 38.4cm   13.1cm 73.1o 73o   6.8cm 40.5cm  
56cm 52.5cm   56.5cm 56.5cm 39.2cm   15.4cm 73.5o 73o   6.8cm 40.5cm  
58cm 54.8cm   58.1cm 58.8cm 40.1cm   17.8cm 73.5o 73o   6.8cm 40.5cm  
61cm 57cm   59.6cm 61.1cm 40.9cm   20.2cm 73.5o 73o   6.8cm 40.5cm  

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Unanswered Question

What are the angle of the stem and reach/drop of the handlebar?
Also, does the handlebar flare out in the drop, if so, how much?

Avg. ride time: 1h 5m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Does the 750g claimed frame weight include both frame and fork? Thanks

That weight only includes the frame, the fork is about 280g on top of that.