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S-Works Roubaix SL8 Di2

5

1 Reviews

We created the endurance road category two decades ago proving that high ergonomics…

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Specialized Roubaix SL8: The Tech behind the World's Lightest, Fastest and Smoothest Bike

Product Details

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We created the endurance road category two decades ago proving that high ergonomics means high performance. Today, the new Roubaix SL8 with Future Shock 3.0 is lighter, faster, and smoother than any road bike ever made, unleashing unmatched confidence. The road may be hell below, but on Roubaix, it’s always heaven above.

  • COMPLIANCE: Future Shock 3.0 is the star of the show, more tunable, adjustable, and durable than ever. Now, regardless of position on the bike, every rider experiences 20mm of smooth, stiction-free travel between the stem and head tube. Future Shock helps keep your hands and bars steady for a smoother ride with more control to stay fast, safe, and confident.

  • Our dropped clamp design exposes more seatpost to increase deflection, but “more” isn’t simply better. The Pavé seatpost controls that deflection for optimal vertical compliance. Together, they create AfterShock technology, which, when paired with the Roubaix’s rigid rear triangle, delivers a smooth ride with no loss in efficiency.

  • The Roubaix SL8 is the smoothest road bike our Ride Science Team has ever tested, reducing impacts at the bars and saddle by 53% compared to the nearest competition. With Roubaix’s Future Shock 3.0, the wheel quickly moves over the bump, while rider mass remains stable, maintaining momentum in rough terrain. Typical forks deflect backward on impact, causing a measurable loss in speed. It’s a scientific fact: Smoother is indeed faster.

  • CAPABILITY: The Roubaix pioneered endurance geometry, so you ride “IN” the bike, not “ON” the bike, to relieve pressure on your hands, arms, and shoulders for capability and confidence on any road, yet it’s ready to dissect a mountain decent at full gas. Snuggle up.

  • With tire clearance up to 40mm, this endurance road machine delivers better traction than ever on rough roads and even light gravel. Thanks to lightweight, super-efficient Specialized tires, that extra tire volume and traction comes with no downsides.

  • Roubaix inspires really BIG days on the bike, so we’ve given it every mount your adventures could need—three bottle mounts, top-tube mounts, and it’s even fender-ready. So, go ahead and bring it all along for the ride.

  • PERFORMANCE: The new Roubaix SL8 is our most aero yet, with new aero shapes from our Free Foil library and dropped seat stays. At just 828 grams, the frame is 50 grams lighter, utilizing lessons learned from the Aethos - the world’s lightest production frame - and our premium Fact 12r carbon blend. Nothing in its class is faster or lighter than the Roubaix.

Technical Specifications

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Frameset

Frame

FACT 12R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc

Suspension

Fork

Future Shock 3.3 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc

Brakes

Front Brake

Shimano Dura-Ace, Hydraulic Disc, 160mm

Rear Brake

Shimano Dura-Ace, Hydraulic Disc, 160mm

Drivetrain

Shift Levers

Shimano Dura-Ace R9270, hydraulic disc

Front Derailleur

Shimano Dura-Ace R9250, braze-on

Rear Derailleur

Shimano Dura-Ace R9250, 12-speed

Cassette

Shimano Dura-Ace, 12-speed, 11-34t

Chain

Shimano Dura-Ace, 12-speed

Crankset

Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter

Chainrings

50/34t

Bottom Bracket

Shimano Dura-Ace, BB-R9100

Wheels & Tires

Front Tire

S-Works Mondo 2BR, 700x32c

Front Wheel

Roval Terra CLX II, 25mm internal width, 32mm depth, 21h, Tubeless ready, Roval LFD hub with ceramic SINC bearings, Centerlock disc, DT Swiss Aerolite spokes

Rear Tire

S-Works Mondo 2BR, 700x32c

Rear Wheel

Roval Terra CLX II, 25mm internal width, 32mm depth, 24h, Tubeless ready, Roval LFD hub with ceramic SINC bearings, Centerlock disc, DT Swiss Aerolite spokes

Inner Tubes

700x28/38mm, 60mm Presta valve

Cockpit

Stem

S-Works Future Stem, w/ Integrated Computer Mount

Handlebars

S-Works Carbon Hover Drop 125mm, Reach 75mm, w/Di2 hole

Grips

Supacaz Super Sticky Kush

Saddle

S-Works Power with Mirror

SeatPost

S-Works Pave Seat post

Seat Binder

Hidden drop clamp

Product Details

Product ID

221816

Weight

Weight

7.25 kg (15 lb, 15.7 oz)

Weight Size

56

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

Geometry

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44495254565861
Crank Length165mm165mm170mm172.5mm172.5mm175mm175mm
Handlebar Width360mm380mm400mm420mm420mm440mm440mm
Stem Length70mm80mm90mm100mm100mm110mm110mm
Saddle Width155mm155mm155mm143mm143mm143mm143mm
Seatpost Length380mm380mm380mm380mm380mm450mm450mm
Stack543mm549mm566mm585mm605mm630mm665mm
Reach353mm363mm370mm381mm389mm397mm403mm
Head Tube Length90mm90mm105mm122mm140mm168mm202mm
Head Tube Angle69.3°70.8°71.5°72.3°73°73°73.5°
BB Height269mm269mm269mm270mm270mm271mm271mm
BB Drop80mm80mm80mm78mm78mm78mm78mm
Trail62mm61mm57mm57mm54mm76mm66mm
Fork Length, Full375mm375mm375mm375mm375mm375mm375mm
Fork Rake/Offset52mm52mm52mm47mm47mm47mm47mm
Front Centre587mm593mm598mm604mm620mm631mm589mm
Chainstay Length418mm418mm418mm420mm420mm423mm423mm
Wheelbase994mm992mm988mm1005mm1012mm1031mm1042mm
Top Tube Length, Horizontal503mm523mm534mm550mm569mm584mm600mm
Bike Standover Height686mm719mm747mm766mm787mm809mm847mm
Seat Tube Length365mm410mm445mm465mm485mm505mm545mm
Seat Tube Angle75°74°74°74°73.5°73.5°73.5°
Geometry

Manual Downloads

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Future Shock 3.0 User Manual - English
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Future Shock 3.0 User Manual - Chinese Simplified
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Future Shock 3.0 User Manual - Chinese Traditional
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Future Shock 3.0 User Manual - Croatian
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Future Shock 3.0 User Manual - Czech
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Future Shock 3.0 User Manual - Danish
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Future Shock 3.0 User Manual - Dutch
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Future Shock 3.0 User Manual - Finnish
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Future Shock 3.0 User Manual - French
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Future Shock 3.0 User Manual - German
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Future Shock 3.0 User Manual - Italian
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Future Shock 3.0 User Manual - Japanese
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Future Shock 3.0 User Manual - Korean
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Future Shock 3.0 User Manual - Norwegian
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Future Shock 3.0 User Manual - Polish
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Future Shock 3.0 User Manual - Portuguese Brazil
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Future Shock 3.0 User Manual - Russian
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Future Shock 3.0 User Manual - Slovak
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Future Shock 3.0 User Manual - Slovenian
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Future Shock 3.0 User Manual - Spanish
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Future Shock 3.0 User Manual - Swedish
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2024 ROUBAIX - USER MANUAL - CHINESE SIMPLIFIED
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2024 ROUBAIX - USER MANUAL - CHINESE TRAD
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2024 ROUBAIX - USER MANUAL - CROATIAN
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2024 ROUBAIX - USER MANUAL - CZECH
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2024 ROUBAIX - USER MANUAL - DANISH
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2024 ROUBAIX - USER MANUAL - DUTCH
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2024 ROUBAIX - USER MANUAL - ENGLISH
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2024 ROUBAIX - USER MANUAL - FINNISH
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2024 ROUBAIX - USER MANUAL - FRENCH
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2024 ROUBAIX - USER MANUAL - GERMAN
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2024 ROUBAIX - USER MANUAL - ITALIAN
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2024 ROUBAIX - USER MANUAL - JAPANESE
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2024 ROUBAIX - USER MANUAL - KOREAN
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2024 ROUBAIX - USER MANUAL - NORWEGIAN
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2024 ROUBAIX - USER MANUAL - POLISH
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2024 ROUBAIX - USER MANUAL - PORTUGUESE
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2024 ROUBAIX - USER MANUAL - RUSSIAN
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2024 ROUBAIX - USER MANUAL - SLOVAK
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2024 ROUBAIX - USER MANUAL - SLOVENIAN
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2024 ROUBAIX - USER MANUAL - SPANISH
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2024 ROUBAIX - USER MANUAL - SWEDISH
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ROVAL ACCESSORY MOUNT SCHEMATICS
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SPECIALIZED STEM ACCESSORY MOUNT

Rider Reviews

5

1 Reviews

 

Fabulous Bike and Superb Service

I really have to congratulate Specialized on the new Roubaix 2025 bike. Ordered on Monday and it arrived beautifully prepared on Wednesday. The attention to detail on home deliveries is second to none. The Specialized mechanics clearly take great pride in their work. I really did go Wow! when I removed the bike from the box this afternoon. Within 10 minutes I was on the the road. This without doubt is smoothest running bike I have ever ridden, and so quite, you will need a bell. I had a smile on my face all the way up the town and back. I have purchased a few bikes now from Specialized.com UK website and everyone has arrived immaculate and ready to go. Well done Specialized on such high standards.


Name:
David W.

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