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S-Works Roubaix Dura-Ace Di2

Was: £7125.00
Now: £5450.00


Part No. 94418-0256

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HOME > BIKES > ROAD > S-WORKS ROUBAIX DURA-ACE DI2

For years you had to choose between stiff and snappy or compliant and comfortable for a race-bike—that is until the new Roubaix. Featuring a completely Rider-First Engineered™ frame our Future Shock technology and a top-level build kit the S-Works Roubaix with Shimano Dura-Ace Di2 is right at home at a local fondo a Saturday group ride or a cobbled road race.

The frame is one of the lightest that we've ever made and it's been constructed from our top-tier FACT 11r carbon fibre. 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 engineering sorcery 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 due to 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 new Roubaix outperforms anything on the market.

We spec'd our cobble-crushing S-Works frame with the legendary performance of the Shimano Dura-Ace 9150 Di2 electronic build kit and 9170 hydraulic disc brakes a full assortment of S-Works bits and hand-built Roval CLX 32s with the legendary CeramicSpeed bearings and custom hubs. Add it all up and you get a race bike at heart with the technology to float over the roughest roads.

  • Featuring our Rider-First Engineeredâ„¢ design that ensures every frame size has the same legendary responsiveness and smooth ride quality that you'd expect from a Roubaix. The S-Works FACT 11r frameset is our highest quality carbon frame, offering the ideal blend of light overall weight and targeted stiffness, while the all-new Road Control "suspension" system at the cockpit delivers a revolutionary degree of comfort and control.
  • An S-Works Roubaix Disc fork is built from our top-end FACT 11r carbon fiber for supreme stiffness, strength, and reactivity, while a thru-axle design only stands to bolster all of the above.
  • Shimano Dura-Ace Di2 shifting offers 11-speeds of electronic wonderment. Shifts are as precise as it gets and the trim adjust up front ensures that chain rub is a thing of the past—no matter how extreme your cross-chaining gets.
  • Comes equipped with a 40lbs spring (color: yellow, weight: firm) installed, and also includes both 13lbs (color: blue, weight: soft) and 25lbs (color: black, weight: medium) springs that can be installed to match the terrain you're riding.

Please note that this bike does not come with pedals.


FRAMES-Works FACT 11r carbon, Endurance Geometry, Rider-First Engineeredâ„¢, 12x142mm thru-axle, Future Shock suspension, 20mm of travel, flat disc mounts
FORKS-Works FACT carbon, 12x100mm thru-axle
FRONT WHEELCLX 32 Disc, thru-axle, 2Bliss Ready
REAR WHEELCLX 32 Disc, thru-axle, 2Bliss Ready
INNER TUBES700x20/28mm, 48mm Presta valve
FRONT TYRES-Works Turbo Road Tubeless, 700x26mm, 180TPI, folding bead, BlackBelt Protection, Gripton
REAR TYRES-Works Turbo Road Tubeless, 700x26mm, 180TPI, folding bead, BlackBelt Protection, Gripton
CRANKSETS-Works FACT Carbon
CHAINRINGSSpecialized by Praxis 50/34T
BOTTOM BRACKETOSBB, CeramicSpeed bearings
SHIFT LEVERSShimano Dura-Ace Di2 Disc
FRONT DERAILLEURShimano Dura-Ace Di2 front derailleur, braze-on
REAR DERAILLEURShimano Dura-Ace Di2 rear derailleur, 11-speed
CASSETTEShimano Dura-Ace cassette, 11-speed, 11-30t
CHAINShimano HG901, 11-speed
FRONT BRAKEShimano Dura-Ace hydraulic, Ice-Tech resin pads w/fins
REAR BRAKEShimano Dura-Ace hydraulic, Ice-Tech resin pads w/fins
HANDLEBARSS-Works Hover Carbon, 15mm rise, 125mm drop, 75mm reach
TAPES-Wrap Roubaix w/sticky gel
STEMS-Works SL, alloy, titanium bolts, 6-degree rise
SADDLEBody Geometry S-Works Phenom GT, carbon rails, 143mm
SEATPOSTSpecialized CG-R, FACT carbon, single bolt, 27.2mm
PEDALSNylon, 105x78x28mm, loose balls w/ reflectors

As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.

Please note that this bike does not come with pedals.


Size 49 52 54 56 58 61
B-B Drop 77.5mm 77.5mm 76mm 76mm 74.5mm 74.5mm
Chain-Stay Length 413mm 413mm 415mm 415mm 418mm 418mm
Fork Rake 50mm 50mm 44mm 44mm 44mm 44mm
Front-Center 580mm 586mm 584mm 590mm 605mm 612mm
Head-Tube Angle 72° 72.25° 72.75° 73.5° 73.5° 74°
Head-Tube Length 90mm 110mm 125mm 150mm 185mm 205mm
Reach 369mm 371mm 375mm 381mm 386mm 392mm
Seat-Tube Angle 74° 74° 74° 73.5° 73.5° 73.5°
Seat-Tube Length, B-B Center to Top 425mm 462mm 481mm 501mm 522mm 563mm
Stack 549mm 569mm 585mm 611mm 644mm 665mm
Stand-Over Height 715.5mm 743mm 762mm 785mm 813mm 844.3mm
Top-Tube Length, Horizontal 527mm 534.9mm 545mm 561.8mm 576.3mm 588.5mm
Trail 58.5mm 57mm 61mm 55mm 55mm 52mm
Wheelbase 981mm 987mm 987mm 993mm 1011mm 1018mm

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