Specialized Roubaix SL8 Comp

Lighter, faster, and smoother than any road bike ever made

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.

Smoother is Faster
After a decade of working in the Win Tunnel, our engineers put aero where it matters, not just where it looks good. The result? A new Nose Cone called the ‘Speed Sniffer’ helps the new Tarmac SL8 be 16.6 seconds faster over 40km than the Tarmac SL7. And yes, more aero than the Venge.

Pioneering Endurance Geometry
The Roubaix’s endurance geometry delivers an “IN” the bike, not “ON” the bike feel that’s ideal for long rides. It relieves stress from your hands, arms, and shoulders, yet is ready to dissect any twisting mountain descent at full gas.

More Clearance, More Capable
With tire clearance up to 38c/40mm, this endurance road machine delivers better traction than ever on rough roads and even light gravel. We’ve given it every mount your adventures could need—three bottle mounts, top-tube mounts, and it’s even fender-ready.

Aero and Lightweight at the top of the Class
The new Roubaix SL8 is our most aero yet, with new fork shaping, a reimagined downtube, and dropped seat stays. At just 825 grams, the frame is 50 grams lighter, utilizing lessons learned from the Aethos and our premium Fact 12r carbon blend. Nothing in its class is faster or lighter.

Peter Sagan’s Choice
Roubaix with Future Shock was a game-changer for Peter Sagan as he chased Paris-Roubaix glory. But don’t take our word for it. Hear the 2018 Champion of the Hell of the North himself tell us exactly why he’s a fan of the Roubaix.

Annika Langvad’s Ride
What does the greatest XC marathon racer in history choose when she hits the road? Roubaix, of course. Annika Langvad tells us why the Roubaix is her bike of choice to deliver race-level performance on the long days she loves.

Tech spec

Frame

• Frame: FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc

Suspension

• Fork: Future Shock 3.2 w/ Smooth Boot, FACT Carbon 12x100mm, through-bolt, flat-mount disc

Brakes

• Front brake: Shimano 105, hydraulic disc
• Rear brake: Shimano 105, hydraulic disc

Transmission

• Shifters: Shimano 105 R7170, hydraulic disc
• Front derailleur: Shimano 105 R7170, braze-on
• Rear derailleur: Shimano 105 R7150, 12-speed
• Sprocket Pack: Shimano 105, 12-speed, 11-36t
• Chain: Shimano 105, 12-speed
• Crankset: Shimano 105, 12-speed
• Chainrings: 50/34T
• Bottom Bracket: Shimano threaded BSA BB

Wheels and tyres

• Front wheel: DT Swiss G540 rim, 24 mm inner width, tubeless ready, 24h, Specialized hub with sealed bearing thru axle, centrelock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
• Front tyre: S-Works Mondo 2BR, 700x32c
• Rear tyre: S-Works Mondo 2BR, 700x32c
• Rear wheel: DT Swiss G540 rim, 24 mm inner width, tubeless ready, 24h, Specialized hub with sealed bearing thru axle, centrelock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
• Inner tubes: 700x28/38mm, Presta valve 48mm
• Knobs: Supacaz Super Sticky Kush

Cockpit

• Handlebar stem: Future Stem Pro
• Handlebar: Specialized Hover Expert, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole
• Seatpost: S-Works Pave seatpost
• Saddle: Body Geometry Power Expert
• Saddle clamp: Hidden drop clamp

Manufacturer's weight: 8.97 kg (size 56)

Manufacturer's Notes: Weights based on production painted frames as shown. Actual weights will vary based on colour, frame size and component variation. Specifications are subject to change without notice.