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Roubaix Comp–Ultegra Di2

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2019 Roubaix Comp–Ultegra Di2

So long Zertz. It's been fun, but we found someone better for us. In our humble opinion, the Roubaix Comp with Ultegra Di2 represents the future of road bikes, and with one ride, you'll feel exactly why.

The super-light frame has been constructed from our FACT 10r carbon fiber. Its stiffness levels are also off the charts, and compared to the SL4 iteration of yesteryear, you'll experience a whole new, faster, and more efficient geometry. Through some sophisticated engineering, however, we've managed to keep the same fit, feel, and position that we've all come to love from the SL4, and kept it consistent throughout the size-range with our Rider-First Engineered™ construction.

Of course, you're probably thinking, "get on to the suspension thing up front." We call it Future Shock, and essentially, it's a piston in the head tube with 20mm of travel. We developed this technology in partnership with McLaren Applied Technologies, and the result of this are a host of drastic performance improvements, namely in the vertical compliance department. Without giving a physics lecture, we found that focusing on vertical compliance, instead of fork splay, meant that we could improve smoothness, speed, and comfort in one fell swoop. And of all the bikes that we've tested with our Rolling Efficiency Model, the Roubaix outperforms anything on the market.

This Roubaix Comp comes equipped Shimano's latest Ultegra 8050 Di2 shifting, hydraulic 8070 disc brakes, and alloy DT R470 Disc wheels.

Technical Specifications

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SUSPENSION

FORK

Specialized FACT carbon, 12x100mm thru-axle

COCKPIT

HANDLEBARS

Specialized Comp Hover Bar, 6061 alloy, 125x75mm w/ Di2 hole

STEM

Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

TAPE

S-Wrap Roubaix w/ sticky gel

SADDLE

Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm

SEATPOST

S-Works CG-R, FACT carbon fiber, single-bolt, 27.2mm

BRAKES

FRONT BRAKE

Shimano Ultegra, hydraulic disc

REAR BRAKE

Shimano Ultegra, hydraulic disc

DRIVETRAIN

SHIFT LEVERS

Shimano Ultegra Di2 Disc R8070

FRONT DERAILLEUR

Shimano Ultegra Di2 R8050, braze-on

REAR DERAILLEUR

Shimano Ultegra Di2 R8050, GS medium cage

CASSETTE

Shimano Ultegra, 11-speed, 11-34t

CRANKSET

Shimano Ultegra R8000, HollowTech 2, 11-speed

CHAINRINGS

50/34T

BOTTOM BRACKET

Shimano Ultegra, BBR60

CHAIN

Shimano Ultegra, 11-speed

WHEELS & TIRES

FRONT WHEEL

DT R470 Disc, sealed cartridge hubs, 14g spokes, 24h

REAR WHEEL

DT R470 Disc, sealed cartridge hubs, 14g spokes, 24h

FRONT TIRE

Specialized Turbo Pro, 700x28mm

REAR TIRE

Specialized Turbo Pro, 700x28m

INNER TUBES

Presta, 48mm valve

ACCESSORIES

PEDALS

Nylon, 105x78x28mm, loose ball w/reflectors

FRAMESET

FRAME

Specialized FACT 10r carbon, Endurance Geometry, Rider-First Engineered™, 12x142mm thru-axle, Future Shock suspension, 20mm of travel, flat-mount disc brakes

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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495254565861
Crank Length170mm170mm172.5mm172.5mm175mm175mm
Handlebar Width400mm420mm420mm420mm440mm440mm
Stem Length70mm80mm90mm100mm100mm110mm
Saddle Width143mm143mm143mm143mm143mm143mm
Seatpost Length350mm350mm400mm400mm450mm450mm
Seat Tube Length, BB Center to Top425mm462mm481mm501mm522mm563mm
Fork Rake50mm50mm44mm44mm44mm44mm
Standover Height715.5mm743mm762mm785mm813mm844.3mm
Stack549mm569mm585mm611mm644mm665mm
Reach369mm371mm375mm381mm386mm392mm
Head Tube Length90mm110mm125mm150mm185mm205mm
Head Tube Angle72°72.25°72.75°73.5°73.5°74°
BB Drop77.5mm77.5mm76mm76mm74.5mm74.5mm
Trail58.5mm57mm61mm55mm55mm52mm
Front Center580mm586mm584mm590mm605mm612mm
Chainstay Length413mm413mm415mm415mm418mm418mm
Wheelbase981mm987mm987mm993mm1011mm1018mm
Top Tube Length, Horizontal527mm534.9mm545mm561.8mm576.3mm588.5mm
Seat Tube Angle74°74°74°73.5°73.5°73.5°
Geometry

Rider Reviews

  • 4.9
  • 7 Reviews

Great all around bike

Bought a 2019 Specialized Roubaix Comp di2 and haven't looked back! Switching from a Madone to something kinder to my back and neck on endurance and road work. Hats off to the vibration and shock absorption which far outshined other bikes I was considering in a similar price point. My only knock is that the stock wheels are a bit slow and heavy for road racing. Plan on upgrading your wheel sets (like with many other bikes offered out there) if you want to go faster on the flats. The stock wheels offer a good backup for off-road durability, and I am planning fitting them with larger tires for gravel and trail rides.


Name:
Ridiing D.

Helpful?

Awesome road bike for anything

I came from mtb world but bought the roubaix last fall to get more into road and intervals.. since I ride the roubaix 90% of the time. I love this bike, I have 4K miles on the di2 set up and have never had to touch anything alignment wise. If you fly with a bike the future shock does add a step (I have to take off the fork for my bike bag). Not a big deal but something I've noticed. I've done gravel races with 30c's on it and road races with the 28c's. You definitely cannot fit 32's.. the roubaix 30/32 tire rubs if you get some dirt or snow build up. Smoother on almost everything than my CX bike with 40c.. unless I'm touching single track or really rugged gravel I ride the Roubaix. It's an awesome bike if you rip gravel on big road rides. Plenty fast on the road and the handling on curvy mtn descents is fantastic. Two buddies have bought roubaix's after riding mine.. the handling and comfort is very noticeable when you hop on.


Name:
B Z.

Helpful?

The bike of my life

I love my Specialized Roubaix Comp Di2 Ultegra 2019. I've been riding a Trek 1500 for 12 years and needed a new bike. And with my love for Specialized does that it had to be one from their great selection. Im suffering with NDPH, a chronic headache deseace that does that I got headache every day 24/7. So the Roubaix is the right choice for me and i'm not dissapoinded. The smoothness og the whole bike is out of this World. It does for me that I can ride 40 kms without thinking about my headache. So it is freedom for me. I had never troede Di2 but it Works so well that I Will never go back to the mechanic gearing again. Short said : THE BIKE OF MY LIFE


Name:
Kenneth F.

Helpful?

I'd give it 100 stars if I could!

Love the! So light, so fast, so together. I love how I don't have arm pain from the rough roads around here. I love the spot on shifting. I love the stop on a dime potential. I love the tire clearance adding flexibility for types of rides. I am so glad I purchased this bike, and so happy with the Di2 system. I've only replaced the seat for comfort so far.


Name:
Love R.

Helpful?

Makes me feel like I'm in my seventies again

I usually get between 3500 and 4500 miles a season in NYS and this bike makes it so easy I hate to even brag about it. It is so smooth I'm surprised it's legal.


Name:
Chicken L.

Helpful?

Amazing road bike!

I started road riding about 2 1/2 years ago after years as a Mt. Biker on an entry-level Rubaix and fell in love with it, riding 2,000 miles in 2018. After a super minor spill in early 2019 I cracked my frame and took the opportunity to upgrade to the Comp Ultegra Di2. I'm on track for 3,000 miles this year despite a 3 week wait for the new bike and a 4 week vacation in Europe. I can't tell you how amazing this bike is. The future shock is great on rides of 20 miles or more, minimizing arm fatigue. But even more, do NOT test ride *any* bike with electronic shifters unless they are in your price range...having ridden basically the identical bike with and without (original 2017 Rubaix mechanical 105 frameset and 2019 Rubaix Comp Ultegra electronic) I am 100% sold. I will never buy a bike without electronic shifting again! Sadly this means my price range is now permanently like $4k plus, but so be it!


Name:
Roadie

Helpful?