Product Info
Details + Specs
Roubaix SL8 Expert - Shimano Ultegra Di2
Smoother is faster
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 we've ever made, unleashing unmatched confidence.
Best for: Endurance road riding, long days in the saddle and rougher sealed roads.
At a glance
Frame
FACT 10r Carbon, Rider First Engineered™, FreeFoil Shape Library tubes…
Drivetrain
Shimano Ultegra R8150, 12-speed
Cockpit
Specialized Hover Expert, alloy, 125mm drop x 75mm reach
Fork
Future Shock 3.2 with Smooth Boot, FACT Carbon, 12x100mm thru-axle, 20mm…
Brakes
Shimano Ultegra R8100, hydraulic disc (front and rear)
Shifters
Shimano Ultegra Di2 R8170
Key highlights
20mm of smooth, stiction-free travel between the stem and head tube keeps hands and bars steady, reducing impacts at the bars and saddle by up to 53% versus the nearest…
a dropped seatpost clamp exposes more post length, and the S-Works Pavé seatpost controls that added deflection for genuine vertical compliance without sacrificing…
a 950-gram Rider First Engineered™ frame with FreeFoil-shaped tubes for Specialized's most aero Roubaix yet.
wireless-feel electronic shifting from the R8170/R8150 groupset with a wide-range 11-34t cassette for climbing on demand.
Complete specification
Full build details
Components are grouped by bike system so the complete build is easy to scan.
Frameset
Frame
FACT 10r Carbon, Rider First Engineered™, FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle (950g)
Suspension
Fork
Future Shock 3.2 with Smooth Boot, FACT Carbon, 12x100mm thru-axle, 20mm travel
Brakes
Brakes
Shimano Ultegra R8100, hydraulic disc (front and rear)
Drivetrain
Shifters
Shimano Ultegra Di2 R8170
Front Derailleur
Shimano Ultegra Di2 R8150, braze-on
Rear Derailleur
Shimano Ultegra R8150, 12-speed
Cassette
Shimano Ultegra CS-R8100, 12-speed, 11-34t
Chain
Shimano XT CN-M8100, 12-speed
Crankset
Shimano Ultegra R8100, 50/34t
Bottom Bracket
Shimano, threaded BSA
Wheels and tyres
Wheels
Roval C38, 21mm internal width carbon rim (front and rear)
Tyres
Mondo TLR Endurance, 700x32, GRIPTON T2/T5
Cockpit and contact points
Handlebars
Specialized Hover Expert, alloy, 125mm drop x 75mm reach
Stem
Future Stem, Pro
Seatpost
S-Works Pavé, AfterShock technology
Saddle
Body Geometry Power Expert
Component specifications are subject to change without notice.