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Specialized Roubaix SL8 Expert

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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 the optimal vertical compliance. Together they create AfterShock technology, and when paired with the Roubaix’s rigid rear triangle, deliver 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% vs. 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 950 grams, the frame is lighter, utilizing lessons learned from the Aethos - the world’s lightest production frame - and Fact 10r carbon blend. Nothing in its class is faster or lighter than the Roubaix.

Sizes:
Frame Size4449525456586164
Crank Length (mm) 165 165 170 172.5 172.5 175 175 175
Handlebar Width (mm) 360 380 400 420 420 440 440 440
Stem Length (mm) 70 80 90 100 100 110 110 120
Saddle Width (mm) 155 155 155 143 143 143 143 143
Seatpost Length (mm) 380 380 380 380 380 450 450 450
Stack (mm) 543 549 566 585 605 630 665 685
Reach (mm) 353 363 370 381 389 397 403 409
Head Tube Length (mm) 90 90 105 122 140 168 202 222
Head Tube Angle 69.3° 70.8° 71.5° 72.3° 73° 73° 73.5° 73.5°
BB Height (mm) 269 269 269 270 270 271 271 271
BB Drop (mm) 80 80 80 78 78 78 78 78
Trail (mm) 76 66 62 61 57 57 54 54
Fork Length, Full (mm) 375 375 375 375 375 375 375 375
Fork Rake/Offset (mm) 52 52 52 47 47 47 47 47
Front Center (mm) 589 587 593 598 604 620 631 634
Chainstay Length (mm) 418 418 418 420 420 423 423 423
Wheelbase (mm) 994 992 998 1005 1012 1031 1042 1054
Top Tube Length, Horizontal (mm) 503 523 534 550 569 584 600 618
Bike Standover Height (mm) 686 719 747 766 787 809 847 865
Seat Tube Length (mm) 365 410 446 465 485 505 545 581
Seat Tube Angle 75° 74° 74° 74° 73.5° 73.5° 73.5° 73°
Sizes:
Frame SizeRider Height (cm)Rider Height (in)
44 142 - 152 4'8" - 5'0"
49 155 - 163 5'1" - 5'4"
52 163 - 170 5'4" - 5'7"
54 170 - 178 5'7" - 5'10"
56 175 - 180 5'9" - 5'11"
58 180 - 188 5'11" - 6'2"
61 188 - 196 6'2" - 6'5"
64 196 - 205 6'5" - 6'9"

Specs

Frame FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc
Fork Future Shock 3.2 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc
Wheels Front: Roval Terra C, 25mm inner width carbon rim, 32mm depth, NEW DT 370 hub, 24h, DT Swiss Comp Race spokes
Rear: Roval Terra C, 25mm inner width carbon rim, 32mm depth, NEW DT 370 Star Ratchet hub, 24h, DT Swiss Comp Race spokes
Tires S-Works Mondo 2BR, 700x32c
Bottom Bracket SRAM DUB BSA
Crankset SRAM Rival AXS w/Power, 12-speed
Chainrings 46/33T
Shifters SRAM Rival eTAP AXS, 12-speed
Front Derailleur SRAM Rival eTAP AXS, 12-speed
Rear Derailleur SRAM Rival eTAP AXS, 12-speed
Cassette/Freewheel SRAM XG 1250, 10-36T
Chain SRAM Rival, 12-Speed
Brakes Front: SRAM Rival Hydraulic Disc
Rear: SRAM Rival eTAP AXS, hydraulic disc
Handlebars Specialized Hover Expert, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole
Tape/Grips Supacaz Super Sticky Kush
Stem Future Stem Pro
Seatpost S-Works Pave Seat post
Pedals Sold Separately
Saddle Body Geometry Power Expert

* Subject to change without notice.

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