SPECIALIZED
Roubaix SL8 Expert - Shimano Ultegra Di2
Roubaix SL8 Expert - Shimano Ultegra Di2
SKU:94426-3149
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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.
- 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.
- 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.
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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 Ultegra R8100, hydraulic brake
Rear Brake
Shimano Ultegra R8100, hydraulic brake
Drivetrain
Shift Levers
Shimano Ultegra Di2 R8170, hydraulic disc
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 BB
Wheels & Tires
Front Wheel
Roval C38, 21mm internal width carbon rim
Front Tire
Mondo TLR Endurance Tire, 700x32, GRIPTON T2/T5
Rear Tire
Mondo TLR Endurance Tire, 700x32, GRIPTON T2/T5
Rear Wheel
Roval C38, 21mm internal width carbon rim, tubeless ready
Inner Tubes
700x28-38mm, 48mm Presta valve
Cockpit
Stem
Future Stem, Pro
Handlebars
Specialized Hover Expert, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole
Grips
Supacaz Super Sticky Kush
Saddle
Body Geometry Power Expert
SeatPost
S-Works Pave
Seat Binder
Hidden drop clamp
Weight
Weight
8.17 kg (18 lb, 0.2 oz)
Weight Size
56
Geometry
| 44 | 49 | 52 | 54 | 56 | 58 | 61 | 64 | |
|---|---|---|---|---|---|---|---|---|
| Crank Length | 165mm | 165mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm | 175mm |
| Handlebar Width | 360mm | 380mm | 400mm | 420mm | 420mm | 440mm | 440mm | 440mm |
| Stem Length | 70mm | 80mm | 90mm | 100mm | 100mm | 110mm | 110mm | 120mm |
| Saddle Width | 155mm | 155mm | 155mm | 143mm | 143mm | 143mm | 143mm | 143mm |
| Seatpost Length | 380mm | 380mm | 380mm | 380mm | 380mm | 450mm | 450mm | 450mm |
| Stack | 543mm | 549mm | 566mm | 585mm | 605mm | 630mm | 665mm | 685mm |
| Reach | 353mm | 363mm | 370mm | 381mm | 389mm | 397mm | 403mm | 409mm |
| Head Tube Length | 90mm | 90mm | 105mm | 122mm | 140mm | 168mm | 202mm | 222mm |
| Head Tube Angle | 69.3° | 70.8° | 71.5° | 72.3° | 73° | 73° | 73.5° | 73.5° |
| BB Height | 269mm | 269mm | 269mm | 270mm | 270mm | 271mm | 271mm | 271mm |
| BB Drop | 80mm | 80mm | 80mm | 78mm | 78mm | 78mm | 78mm | 78mm |
| Trail | 76mm | 66mm | 62mm | 61mm | 57mm | 57mm | 54mm | 54mm |
| Fork Length, Full | 375mm | 375mm | 375mm | 375mm | 375mm | 375mm | 375mm | 375mm |
| Fork Rake/Offset | 52mm | 52mm | 52mm | 47mm | 47mm | 47mm | 47mm | 47mm |
| Front Center | 589mm | 587mm | 593mm | 598mm | 604mm | 620mm | 631mm | 634mm |
| Chainstay Length | 418mm | 418mm | 418mm | 420mm | 420mm | 423mm | 423mm | 423mm |
| Wheelbase | 994mm | 992mm | 998mm | 1005mm | 1012mm | 1031mm | 1042mm | 1054mm |
| Top Tube Length, Horizontal | 503mm | 523mm | 534mm | 550mm | 569mm | 584mm | 600mm | 618mm |
| Bike Standover Height | 686mm | 719mm | 747mm | 766mm | 787mm | 809mm | 847mm | 865mm |
| Seat Tube Length | 365mm | 410mm | 446mm | 465mm | 485mm | 505mm | 545mm | 581mm |
| Seat Tube Angle | 75° | 74° | 74° | 74° | 73.5° | 73.5° | 73.5° | 73° |
