2026 Specialized Roubaix SL8 Sport - Shimano 105
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Roubaix SL8 Sport
Shimano 105 · FACT 10r · Endurance · Future Shock 3.1 · 9.07kg
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.
- FACT 10r Carbon Frame: 950g, lessons from Aethos applied, FreeFoil Shape Library tubes.
- Future Shock 3.1: 20mm smooth suspension up front, tunable, adjustable, durable.
- AfterShock Technology: Pavé seatpost + dropped clamp for optimal vertical compliance.
- 53% Smoother Ride: Reduces impacts at bars and saddle vs. nearest competition.
- Shimano 105 12-speed: Mechanical shifting, R7120 hydraulic disc brakes, 50/34t / 11-36t.
- 40mm Tire Clearance: Better traction on rough roads and light gravel.
- Endurance Geometry: Ride "IN" the bike, not "ON" the bike.
- DT Swiss G540 Wheels: Tubeless-ready alloy clinchers, 24mm internal width.
Complete build at 9.07kg (56cm). Eight sizes: 44, 49, 52, 54, 56, 58, 61, 64.
FACT 10r Carbon Frame — 950g
Rider First Engineered™, FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc. Lessons from the Aethos — world's lightest production frame.
Future Shock 3.1
20mm of smooth, stiction-free travel between stem and head tube. Most advanced Future Shock in its class — keeps hands and bars steady for more control and confidence.
AfterShock Technology
Pavé seatpost controls deflection for optimal vertical compliance. Dropped clamp exposes more seatpost. Paired with rigid rear triangle — smooth ride with no loss in efficiency.
Shimano 105 12-speed Mechanical
Reliable mechanical shifting with R7100 front/rear derailleurs. R7120 hydraulic disc levers, 50/34t crankset, 11-36t cassette for wide range climbing.
53% Smoother Ride
The Roubaix SL8 is the smoothest road bike our Ride Science Team has ever tested — reducing impacts at the bars and saddle vs. nearest competition.
| 44 | 49 | 52 | 54 | 56 | 58 | 61 | 64 | |
|---|---|---|---|---|---|---|---|---|
| Crank Length | 165 | 165 | 170 | 172.5 | 172.5 | 175 | 175 | 175 |
| Handlebar Width | 360 | 380 | 400 | 420 | 420 | 440 | 440 | 440 |
| Stem Length | 70 | 80 | 90 | 100 | 100 | 110 | 110 | 120 |
| Saddle Width | 155 | 155 | 155 | 143 | 143 | 143 | 143 | 143 |
| Seatpost Length | 380 | 380 | 380 | 380 | 380 | 450 | 450 | 450 |
| Stack | 543 | 549 | 566 | 585 | 605 | 630 | 665 | 685 |
| Reach | 353 | 363 | 370 | 381 | 389 | 397 | 403 | 409 |
| Head Tube Length | 90 | 90 | 105 | 122 | 140 | 168 | 202 | 222 |
| Head Tube Angle | 69.3° | 70.8° | 71.5° | 72.3° | 73° | 73° | 73.5° | 73.5° |
| BB Height | 269 | 269 | 269 | 270 | 270 | 271 | 271 | 271 |
| BB Drop | 80 | 80 | 80 | 78 | 78 | 78 | 78 | 78 |
| Trail | 76 | 66 | 62 | 61 | 57 | 57 | 54 | 54 |
| Fork Length, Full | 375 | 375 | 375 | 375 | 375 | 375 | 375 | 375 |
| Fork Rake/Offset | 52 | 52 | 52 | 47 | 47 | 47 | 47 | 47 |
| Front Center | 589 | 587 | 593 | 598 | 604 | 620 | 631 | 634 |
| Chainstay Length | 418 | 418 | 418 | 420 | 420 | 423 | 423 | 423 |
| Wheelbase | 994 | 992 | 998 | 1005 | 1012 | 1031 | 1042 | 1054 |
| Top Tube Length, Horizontal | 503 | 523 | 534 | 550 | 569 | 584 | 600 | 618 |
| Bike Standover Height | 686 | 719 | 747 | 766 | 787 | 809 | 847 | 865 |
| Seat Tube Length | 365 | 410 | 446 | 465 | 485 | 505 | 545 | 581 |
| Seat Tube Angle | 75° | 74° | 74° | 74° | 73.5° | 73.5° | 73.5° | 73° |
Frameset
Frame
FACT 10r Carbon, Rider First Engineered™, 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
Seat Binder
Hidden drop clamp
Suspension
Future Shock 3.1
20mm travel, tunable, adjustable, durable
AfterShock
Pavé seatpost + dropped clamp for optimal vertical compliance
Brakes
Front Brake
Shimano 105 Hydraulic Disc, 160mm
Rear Brake
Shimano 105 Hydraulic Disc, 160mm
Brake Levers
Shimano 105 R7120, hydraulic disc
Drivetrain
Bottom Bracket
Shimano BSA
Chain
Shimano 105, 12-speed
Crankset
Shimano 105, 50/34t
Front Derailleur
Shimano 105 mechanical R7100, braze-on
Cassette
Shimano 105, 12-speed, 11-36t
Rear Derailleur
Shimano 105 mechanical R7100, 12-speed
Wheels & Tires
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 Tire
S-Works Mondo 2BR, 700x32c
Rear Tire
S-Works Mondo 2BR, 700x32c
Inner Tubes
700x28/38mm, 48mm Presta valve
Cockpit
Handlebars
Specialized Hover Comp, Alloy, 125mm drop, 75mm reach, w/ Di2 hole
Stem
Future Stem Comp
Seatpost
S-Works Pave Seatpost
Saddle
Body Geometry Power Sport, steel rails
Tape
Supacaz Super Sticky Kush
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.
