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Factor Bike 02 Ultegra Di2 Complete Road Bike - 2017


Item # FCB0005

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  • Black/Red, 49cm ($6,999.00)
  • Black/Red, 52cm ($6,999.00)
  • Black/Red, 54cm ($6,999.00)
  • Black/Red, 56cm ($6,999.00)
  • Black/Red, 58cm ($6,999.00)
  • Black/Red, 61cm ($6,999.00)
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Item # FCB0005


Factor Bikes calls the O2 Ultegra Di2 Complete Road a "beautiful chameleon" because of its ability to do anything you could ask of a road bike. And when we write "anything," we mean rides ranging from multi-pass days in the high mountains to the cobblestone abuse of the Flemish classics. The frame is built-up with an equally versatile spec sheet, the standouts of which are Shimano's Ultegra Di2 shifting and Mavic's mid-depth Cosmic Pro Carbon SL wheelset. You'd be hard-pressed to find a better combination of race-worthy components without toppling over into the $10,000 range, and we think it's virtually impossible to find a frame that rides like the O2 at any price point.

The O2 doesn't have the OTIS head tube/fork construction or Twin Vane down tube of Factor's flagship model, but it does feature the same uncompromising carbon lay-up and a climb-happy 740g of claimed frameset weight. The low weight and deceptively responsive drive spine seem mutually exclusive, but Factor manages to bridge the divide while maintaining an admirable amount of long-mile comfort. It's not as smooth as an endurance-minded steel frame, but the O2 doesn't have the ass-on-asphalt punishment so common in the sub-800g, high-mod category.

The O2's characteristics are the product of a collaboration between some big names in the cycling industry and a big name in automotive aerodynamics. The project was started by bf1systems, a motorsport firm that dabbled in cycling with the revolutionary (and non-race-legal) Factor 001 and Vis Vires framesets. A group of two-wheeled visionaries recognized the potential of bf1systems' designs, snapped the Factor name and technology up, and have since translated it into race-legal framesets with the ultimate aim of sponsoring a World Tour team.

Though not as advanced as the One and One-S models, the O2's aerodynamic benefits are still readily apparent to the naked eye. The vertically oriented tubes' bullet-nose face and truncated tailing edge will be no surprise to anyone staying abreast of industry advances because the shape babysits airflow from the point the frame encounters it till long after it's detached and dissipated into wake. The abbreviated rear face is especially important for two reasons. First, it reduces the negative vacuum of trailing drag that traditional NACA tube shapes produce. Second, it doesn't turn into a destabilizing parachute when crosswinds and road conditions shift the yaw angle outside of a NACA profile's near-zero comfort zone.

The frame's aerodynamic features extend to such subtleties as a hidden seatpost clamp, tucked-away seatstays, internal cable routing, a Di2 junction box, and the inclusion of an integrated stem/bar unit designed to work as part of a drag-reduction system with frame and rider. Frankly, we expect this roster of wind-cheating features from high-end aerodynamic road frames; given Factor's penchant for going above and beyond what's expected, it's no surprise that they're all represented here.

The fact that the aerodynamics don't come at the cost of comfort is a surprise, though. We've got to stress again that the O2 isn't as buttery smooth as a classic, lugged steel frame or a heavy, carbon cobbles machine, but it does transmit a lot less harshness than the non-traditional tube shapes and seatpost would suggest. Maybe this is because of the low chainstay juncture and shape, or maybe it has something to do with the EM2 RGicarbon lay-up. Given one that one of Factor's co-owners has a 15+ year pedigree producing carbon frames for an impressive list of boutique brands, we suspect the latter might play a significant role. The O2's EM2 RGicarbon construction involves three different carbon moduli that balance the vibration damping and durable compliance of lower and middle moduli with the unyielding stiffness of Pitch Fibre, a material that is as unabashedly stiff and light as its name is unabashedly British.

Factor isn't shy about claiming that Pitch Fibre is the lightest, stiffest material that can be shaped into a bike frame, so you might assume three things here: 1) Pitch Fibre is extremely difficult to work with, 2) it's very expensive, and 3) Factor jealously guards the exact details of its lay-up schedule. You'd be correct on all fronts. The one insight Factor gives into its process is the use of a program called Fibersim, which Factor uses to "ensure that we put the waste into the garbage can and not into the frame." Fibersim helps the brand keep material to a minimum, resulting in fabric cuts and construction so discerningly meticulous that the process rates at the tippy-top end of luxury, a theme that's also reflected in finishing details like a Ceramic Speed bottom bracket.

  • A versatile road racing bike from the industry's newest giant
  • Lightweight stiffness for climbing and sprinting
  • Aerodynamic design with European motorsport pedigree
  • One-piece carbon bar and stem keep the cockpit aerodynamic
  • Black Inc. carbon seatpost and integrated clamp mechanism
  • Internal, sheathed routing makes for easy cable install
  • Pre-upgraded with electronic shifting and carbon race wheels
  • Generous clearance accommodates up to 28mm tires

Tech Specs

Frame Material:
EM2 RGi Carbon Fiber
Single Bayonet
Fork Material:
EM2 RGi Carbon Fiber
1-1/8 - 1-3/8 in
Shimano Ultegra Di2 6870
Front Derailleur:
Shimano Ultegra Di2 6870
Rear Derailleur:
Shimano Ultegra Di2 6870
50 / 34 t Shimano Ultegra 6800
Bottom Bracket:
Ceramic Speed BBright
Crank Arm Length:
[sizes 49, 51] 170 mm, [sizes 54, 56] 172.5 mm, [sizes 58, 61] 175 mm
11 - 28 t Shimano Ultegra 6800
Shimano CN-HG701
Shimano Ultegra 6800
Brake Type:
Factor Bikes
Bar Tape:
Factor Bikes
Factor Bikes
Fi'zi:k Aliante R7
Black Inc.
Seat Collar:
Mavic Cosmic Pro Carbon SL
Mavic Instant Drive 360
Mavic BR601 quick-release
[front] Mavic Yksion Pro Griplink, [rear] Mavic Yksion Pro Powerlink
Tire Size:
700 c x 25 mm
not included
Recommended Use:
road cycling
Manufacturer Warranty:
limited lifetime on frame

sizing chart

O2 size by rider height


Geometry chart

Factor Bike

Geometry Chart



Seat Tube


Effective Top Tube






Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop




49cm 45.6cm 51.5cm 49.5cm 36.7cm 9.5cm 70.5o 73o 6.8cm 40.5cm 90mm
52cm 48cm 53.5cm 52cm 37.6cm 11.5cm 72.2o 73o 6.8cm 40.5cm 90mm
54cm 50.2cm 54.9cm 54.2cm 38.4cm 13.1cm 73.1o 73o 6.8cm 40.5cm 110mm
56cm 52.5cm 56.5cm 56.5cm 39.2cm 15.4cm 73.5o 73o 6.8cm 40.5cm 110mm
58cm 54.8cm 58.1cm 58.8cm 40.1cm 17.8cm 73.5o 73o 6.8cm 40.5cm 120mm
61cm 57cm 59.6cm 61.1cm 40.9cm 20.2cm 73.5o 73o 6.8cm 40.5cm 120mm

Reviews & Community


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  • Familiarity: I've used it several times

You probably haven't heard of these boys yet, but you will shortly. They will certainly be a highlight at the tour this year. Out of the Factor lineup this is the workhorse in my opinion. The O2 is the most versatile and delivers comfort and beauty. The clean lines really differentiate Factor from the crowd and this comes at a great time when riders are looking for something new. The ride is what you would expect from a high-end carbon bike manufacture - smooth.

It does have asymmetrical chainstays, which will balance out chain pull and help with power transmission. At least that's what all the engineers stay, and of course Pinarello says that as well. Nevertheless, the 3 different types of carbon they use to build this frame where certainly put in all the right places because it climbed great and was definitely stable on the curvy descents here in Salt Lake. One thing I would like to see changed is the integrated stem and bar. I have never been a fan of this since most bar/stem options never work due to angle and length, but they are gorgeous. One plus, is Factor Garmin Mounts are included with the framesets. If you use a Wahoo or another brand the best bet is to do a top cap mount. Here the measurement for the Bar/Stem setup per frame size:


49cm 400x90

52cm 400x90

54cm 420x110

56cm 420x110

58cm 440x120

61cm 440x120

Please give me a call if you have any questions on this - happy to help out.

Measurements: 5'-10" - Saddle Height 71.5 - 54cm fit perfect.

Bill Sherman

Customer Account Manager-Bike

Office: 801-204-4545