Specialized Roubaix SL8 Comp Shimano 105 Di2 (2027)

Specialized Roubaix SL8 Comp Shimano 105 Di2 (2027)

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.

Highlights

• 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.

Technical Specifications

Frameset

• 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, thru-axle, flat-mount disc

Brakes

• Front Brake: Shimano 105 BR-R7170, hydraulic disc
• Rear Brake: Shimano 105 BR-R7170, hydraulic disc

Drivetrain

• Rear Derailleur: Shimano 105 Di2 R7150, 12-speed
• Shift Levers: Shimano 105 Di2 R7170, 12-speed hydraulic disc
• Crankset: Shimano 105 FC-R7100, 12-speed, 50/34t
• Cassette: Shimano 105 R7100, 12-speed 11-36t
• Front Derailleur: Shimano 105 R7170, braze-on
• Chain: Shimano SLX CN-M7100, 12-speed
• Bottom Bracket: Shimano Threaded BSA BB

Wheels & Tires

• Inner Tubes: 700x28-38mm, 48mm Presta valve
• Front Tire: Mondo Folding Endurance Tire, 700x32, GRIPTON T5
• Rear Tire: Mondo Folding Endurance Tire, 700x32, GRIPTON T5
• Front Wheel: DT Swiss G500 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 G500 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

Cockpit

• Saddle: Body Geometry Power Comp, chrome alloy rails
• Stem: Future Stem, Comp
• Seat Binder: Hidden drop clamp
• SeatPost: S-Works Pave
• Handlebars: Specialized Hover Comp, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole
• Tape: Supacaz Super Sticky Kush

Geometry (mm)

Weight: 8.91 kg (19 lb, 10.3 oz), manufacturer spec