2026 Specialized S-Works Roubaix SL8 - Shimano Dura-Ace Di2
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S-Works Roubaix SL8
Shimano Dura-Ace Di2 · FACT 12r · Endurance · Future Shock 3.3 · 7.25kg
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.
- FACT 12r Carbon Frame: 828g, lightest in its class, lessons from Aethos applied.
- Future Shock 3.3: 20mm smooth suspension up front, most advanced version yet.
- AfterShock Technology: Pavé seatpost + dropped clamp = optimal vertical compliance.
- 53% Smoother Ride: Reduces impacts at bars and saddle vs. nearest competition.
- Shimano Dura-Ace Di2 R9250: Top-tier 12-speed electronic shifting with 4iiii powermeter.
- Roval Terra CLX II Wheels: Ceramic SINC bearings, tubeless-ready, 32mm depth.
- S-Works Mondo 2BR Tires: 700x32c, fastest endurance tire Specialized makes.
- 40mm Tire Clearance: Better traction on rough roads and light gravel.
Complete build at 7.25kg (56cm). Eight sizes: 44, 49, 52, 54, 56, 58, 61, 64.
FACT 12r Carbon Frame
828g frame — lightest in its class. Rider First Engineered™, FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc.
Future Shock 3.3
20mm of smooth, stiction-free travel between stem and head tube. Most advanced Future Shock yet — keeps hands and bars steady for more control and confidence.
AfterShock Technology
Pavé seatpost controls deflection for optimal vertical compliance. Dropped clamp exposes more seatpost. Paired with rigid rear triangle — smooth ride with no loss in efficiency.
Shimano Dura-Ace Di2 Electronic Shifting
Top-tier 12-speed Di2 with R9250 front/rear derailleurs. R9270 hydraulic levers, R9200 crankset (50/34t) with 4iiii Precision Pro dual-sided powermeter. The ultimate shifting experience.
Roval Terra CLX II Wheels
Tubeless-ready carbon clinchers, 32mm depth, 25mm internal width. Roval LFD hubs with ceramic SINC bearings, DT Swiss Aerolite spokes.
Most Aero Roubaix Ever
New aero shapes from FreeFoil library, dropped seat stays. FreeFoil Shape Library tubes maximize aerodynamic efficiency.
| 44 | 49 | 52 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|---|
| Crank Length | 165 | 165 | 170 | 172.5 | 172.5 | 175 | 175 |
| Handlebar Width | 360 | 380 | 400 | 420 | 420 | 440 | 440 |
| Stem Length | 70 | 80 | 90 | 100 | 100 | 110 | 110 |
| Saddle Width | 155 | 155 | 155 | 143 | 143 | 143 | 143 |
| Seatpost Length | 380 | 380 | 380 | 380 | 380 | 450 | 450 |
| Stack | 543 | 549 | 566 | 585 | 605 | 630 | 665 |
| Reach | 353 | 363 | 370 | 381 | 389 | 397 | 403 |
| Head Tube Length | 90 | 90 | 105 | 122 | 140 | 168 | 202 |
| Head Tube Angle | 69.3° | 70.8° | 71.5° | 72.3° | 73° | 73° | 73.5° |
| BB Height | 269 | 269 | 269 | 270 | 270 | 271 | 271 |
| BB Drop | 80 | 80 | 80 | 78 | 78 | 78 | 78 |
| Trail | 76 | 66 | 62 | 61 | 57 | 57 | 54 |
| Fork Length, Full | 375 | 375 | 375 | 375 | 375 | 375 | 375 |
| Fork Rake/Offset | 52 | 52 | 52 | 47 | 47 | 47 | 47 |
| Front Center | 589 | 587 | 593 | 598 | 604 | 620 | 631 |
| Chainstay Length | 418 | 418 | 418 | 420 | 420 | 423 | 423 |
| Wheelbase | 994 | 992 | 988 | 1005 | 1012 | 1031 | 1042 |
| Top Tube Length, Horizontal | 503 | 523 | 534 | 550 | 569 | 584 | 600 |
| Bike Standover Height | 686 | 719 | 747 | 766 | 787 | 809 | 847 |
| Seat Tube Length | 365 | 410 | 445 | 465 | 485 | 505 | 545 |
| Seat Tube Angle | 75° | 74° | 74° | 74° | 73.5° | 73.5° | 73.5° |
Frameset
Frame
FACT 12r Carbon, Rider First Engineered™, FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc
Fork
Future Shock 3.3 w/ Smooth Boot, FACT Carbon, 12x100mm thru-axle, flat-mount disc
Seat Binder
Hidden drop clamp
Suspension
Future Shock 3.3
20mm travel, tunable, adjustable, durable
AfterShock
Pavé seatpost + dropped clamp for optimal vertical compliance
Brakes
Front Brake
Shimano Dura-Ace, Hydraulic Disc, 160mm
Rear Brake
Shimano Dura-Ace, Hydraulic Disc, 160mm
Brake Levers
Shimano Dura-Ace R9270, hydraulic disc
Drivetrain
Bottom Bracket
Shimano Dura-Ace BB-R9100
Chain
Shimano Dura-Ace, 12-speed
Crankset
Shimano Dura-Ace R9200, hollowTech II, 12-speed, 50/34t
Powermeter
4iiii Precision Pro, dual-sided
Front Derailleur
Shimano Dura-Ace R9250, braze-on
Cassette
Shimano Dura-Ace, 12-speed, 11-34t
Rear Derailleur
Shimano Dura-Ace R9250, 12-speed
Wheels & Tires
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 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
Front Tire
S-Works Mondo 2BR, 700x32c
Rear Tire
S-Works Mondo 2BR, 700x32c
Inner Tubes
700x28/38mm, 60mm Presta valve
Cockpit
Handlebars
S-Works Carbon Hover Drop, 125mm reach, 75mm drop, w/ Di2 hole
Stem
S-Works Future Stem, w/ Integrated Computer Mount
Seatpost
S-Works Pave Seatpost
Saddle
S-Works Power with Mirror
Grips
Supacaz Super Sticky Kush
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.
