Specialized
Roubaix SL8 Sport 105
Roubaix SL8 Sport 105
SKU:94424-6149
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Roubaix Size Guide
Product Details
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.
Technical Specifications
Frameset
Frame
FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc
Seat Binder
Hidden drop clamp
Suspension
Fork
Future Shock 3.1 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc
Cockpit
S-Works Pave Seat post
S-Works Pave Seat post
Saddle
Body Geometry Power Sport, steel rails
Stem
Future Stem Comp
Handlebars
Specialized Hover Comp, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole
Brakes
Front Brake
Shimano 105 Hydraulic Disc, 160mm
Rear Brake
Shimano 105 Hydraulic Disc, 160mm
Drivetrain
Shift Levers
Shimano 105 R7120, Hydraulic Disc
Rear Derailleur
Shimnao 105 R7100, 12-Speed
Cassette
Shimano 105, 12-speed, 11-36T
Crankset
Shimano 105, 12-Speed
Chain
Shimano 105, 12-Speed
Chain Ring
50/34T
Shimano BSA
Shimano BSA
Wheels & Tyres
Front Wheel
DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
Rear Wheel
DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
Front Tire
S-Works Mondo 2BR, 700x32c
Rear Tire
S-Works Mondo 2BR, 700x32c
Tubes
700x28/38mm, 48mm Presta valve