Specialized Roubaix SL8 Road Bike (2025)

Specialized made endurance road biking history 20 years ago with its ergonomic, high-performing ride. Now with the Roubaix SL8's Future Shock 3.0, you'll be lighter, faster, and smoother than ever-feeling as if you're flying high above road hell. Conquer any terrain with ease and wow onlookers with the Roubaix SL8's slick style and unbeatable power.

FEATURES

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 Pave 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 38c/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.

Specifications

Geometry

• Handlebars: Specialized Hover Comp, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole
• Saddle: Body Geometry Power Sport, steel rails
• Stem: Future Stem Comp
• Seat Binder: Hidden drop clamp
• Tape: Roubaix S-WrapSeatPostS-Works Pave Seat post
• Frame: FACT 10R, Rider First Engineered (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc
• Fork: Future Shock 3.1 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc
• Front Brake: Shimano Tiagra Hydraulic Disc
• Rear Brake: Shimano Tiagra Hydraulic Disc
• Chainrings: 50/34ChainKMC X10, 10-Speed
• Front Derailleur: Shimano 105 R7100, braze-on
• Bottom Bracket: Shimano BSA
• Crankset: Shimano Tiagra, 10-Speed
• Shift Levers: Shimano Tiagra 4720, Hydraulic Disc
• Rear Derailleur: Shimnao Tiagra
• Cassette: Shimano Tiagra, 10-speed, 11-34T
• Front Wheel: Axis Elite DiscRear WheelAxis Elite Disc
• Inner Tubes: 700x28/38mm, 48mm Presta valve
• Front Tire: Road Sport, 700x32c
• Rear Tire: Road Sport, 700x32c