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Specialized Roubaix SL8 Comp

$4,999.99

The Specialized Roubaix SL8 redefines endurance riding, pairing race-bike speed with Future Shock 3.0 suspension that smooths out chatter, cracks, and cobbles for a ride that stays fast when the road gets rough. Its lightweight FACT 10r carbon frame and aerodynamic tube shaping mean you're not sacrificing performance for comfort, you're getting both, mile after mile. Whether you're chasing your next century PR or just want a bike that lets you ride longer without beating up your body, the Roubaix SL8 turns punishing roads into your favourite terrain.

Quick Highlights

  • FACT 10r Carbon Frame
  • Carbon Pave Seatpost
  • Shimano 105 Di2 Drivetrain

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Specialized Roubaix SL8 Comp

Specialized Roubaix SL8 Comp

$4,999.99

Smoother is Faster

Specialized Roubaix SL8 Comp

Two decades ago, Specialized redefined endurance road cycling with the Roubaix, and now, the Roubaix SL8 takes that legacy to unprecedented heights. Lighter, faster, and smoother than any road bike ever made, it delivers unmatched confidence and performance. With Future Shock 3.0 at its core, riders enjoy 20mm of silky-smooth, stiction-free travel that keeps handlebars steady and hands relaxed, even on rough terrain. Combined with the Pavé seatpost and a rigid rear triangle, the Roubaix SL8’s AfterShock technology ensures a ride that’s not only smooth but incredibly efficient, reducing impacts at the bars and saddle by a remarkable 53% compared to its competition. The result? A bike that turns even the roughest roads into a heavenly experience, proving that smoother is indeed faster.

But the Roubaix SL8 isn’t just about comfort—it’s built for adventure and performance. Its endurance geometry lets you ride “in” the bike, relieving pressure on hands and arms while maintaining full confidence on technical descents. With tire clearance up to 40mm, this machine handles rough roads and light gravel with ease, offering superior traction without compromising speed. At just 950 grams, the Fact 10r carbon frame draws from Aethos-inspired engineering, making it the lightest and most aero Roubaix yet. Ready for epic rides, the Roubaix SL8 includes mounts for three bottles, a top tube pack, and fenders, ensuring it’s equipped for whatever your next big adventure demands. This is the endurance bike perfected—smooth, capable, and unstoppable.

Features

Specifications

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 BR-R7170, hydraulic disc
Rear Brake Shimano 105 BR-R7170, hydraulic disc
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
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
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
Weight 8.91 kg (19 lb, 10.3 oz)
Weight Size 56

*Specifications are subject to change without notice

Geometry

44 49 52 54 56 58 61 64
A Reach 353 363 370 381 389 397 403 409
B Stack 543 549 566 585 605 630 665 685
C Head Tube Angle 69.3° 70.8° 71.5° 72.3° 73° 73° 73.5° 73.5°
D Front Centre 589 587 593 598 604 620 631 634
E Bottom Bracket Drop 80 80 80 78 78 78 78 78
F Wheelbase 994 992 998 1005 1012 1031 1042 1054
G Chainstay Length 418 418 418 420 420 423 423 423
H Head Tube Length 90 90 105 122 140 168 202 222
I Top Tube Length 503 523 534 550 569 584 600 618
J Seat Tube Angle 75° 74° 74° 74° 73.5° 73.5° 73.5° 73°
K Standover Height 686 719 747 766 787 809 847 865
All measurements in degrees or millimetres

Sizing Guide

The sizing chart is a great place to start when picking your next bike but everyone will fit a bike a bit differently. Your torso, arm, and leg lengths all play into what size of bike you may need. Plus, there's your own personal preference.

We always recommend swinging by the shop and taking the bike that you're looking for a spin to see how it feels. If you're unable to come by, looking at the geometry of your current bike and comparing it is a good place to start. If you have any further questions, our customer service team is there to help.

Size Height
Imperial Metric
44 4'8" - 5'1" 142 - 155cm
49 5'1" - 5'5" 155 - 163cm
52 5'4" - 5'7" 163 - 170cm
54 5'7" - 5'9" 170 - 175cm
56 5'9" - 5'11" 175 - 180cm
58 5'11" - 6'2" 180 - 188cm
61 6'2" - 6'5" 188 - 196cm

Model Numbers

Size Model Number
Satin Warm Smoke Metallic / Dolomite Metallic Gloss Cayenne Metallic / Smoke Metallic Gloss Cast Blue Metallic / Dove Grey
44 94427-5544 94427-5444 94427-5344
49 94427-5549 94427-5449 94427-5349
52 94427-5552 94427-5452 94427-5352
54 94427-5554 94427-5454 94427-5354
56 94427-5556 94427-5456 94427-5356
58 94427-5558 94427-5458 94427-5358
61 94427-5561 94427-5461 94427-5361

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