Specialized Roubaix Sl8 Comp Shimano 105 Di2 Carbon Road Bike 2026

About this bike

 




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.








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


Front Brake
Shimano 105 Hydraulic disc 160mm


Rear Brake
Shimano 105 Hydraulic disc 160mm


Rear Derailleur
Shimano 105 Di2 7150


Front Derailleur
Shimano 105 R7170 braze-on


Shift Levers
Shimano 105 Di2 R7170 12-speed


Crankset
Shimano 105 12-speed 50/34T


Cassette
Shimano 105 12-speed 11-36


Chain
Shimano SLX M7100 12-speed


Bottom Bracket
Shimano Threaded BSA BB


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 Tyre
Mondo Folding Endurance Tire 700x32c GRIPTON T5


Rear Tyre
Mondo Folding Endurance Tire 700x32c GRIPTON T5


Inner Tubes
700x28/38mm 48mm Presta valve


Saddle
Body Geometry Power Sport steel rails


SeatPost
S-Works Pave


Handlebars
Specialized Hover Comp Alloy 125mm Drop 75mm Reach w/Di2 Hole


Tape
Supacaz Super Sticky Kush


Stem
Future Stem Comp


Seat Binder
Hidden drop clamp


Weight
Size 56cm - 8.76 kg (19 lb 5.0 oz)

Description supplied by Cyclestore.