Description
Specialized Roubaix SL8 Sport Road Bike 2026
Specialized created the endurance road bike category two decades ago, proving that high ergonomics equals high performance. The new Roubaix SL8 with Future Shock 3.0 is lighter, faster and smoother than ever, delivering confidence on every ride.
Roubaix Compliance
Future Shock 3.0 provides 20 mm of tunable and durable travel between the stem and head tube, keeping hands steady and bars controlled across rough terrain. The dropped clamp design exposes more seatpost for deflection, balanced by the Pavé seatpost to create AfterShock technology. Together with the rigid rear triangle, the system delivers vertical compliance without sacrificing efficiency. Testing shows a 53 percent reduction in impacts at the bars and saddle compared with the nearest competitor, maintaining momentum where others lose speed.
Specialized Roubaix Capability
With endurance geometry, the Roubaix places the rider in the bike for reduced pressure on hands, arms and shoulders, while offering stability and confidence even on fast mountain descents. Clearance for 40 mm tyres provides traction on rough roads and light gravel without compromising speed. Mounts for three bottles, a top tube bag and mudguards make it ready for long days and big adventures.
Specialized Performance
Weighing just 950 g, the FACT 10r carbon frame draws on lessons from the Aethos to make the Roubaix SL8 the lightest in its class. New aerodynamic tube shapes and dropped seatstays further enhance speed, making this the fastest and most advanced Roubaix yet.
Technical Specification
| Frame | FACT 10R, Rider First Engineered, FreeFoil Shape Library tubes, threaded BB, 12x142 mm thru axle, flat mount disc |
| Fork | Future Shock 3.2 with Smooth Boot, FACT Carbon, 12x100 mm thru axle, flat mount disc |
| Front brake | Shimano CUES hydraulic |
| Rear brake | Shimano CUES hydraulic |
| Crankset | Shimano 105, 12 speed, 50/34T |
| Front derailleur | Shimano 105, braze-on |
| Rear derailleur | Shimano 105 R7100, 12 speed |
| Bottom bracket | Shimano threaded BSA |
| Chain | Shimano SLX M7100, 12 speed |
| Cassette | Shimano 105, 12 speed, 11-36T |
| Shift levers | Shimano 105 R7120, hydraulic disc |
| Front wheel | DT Swiss G540 rim, 24 mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centre lock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples |
| Rear wheel | DT Swiss G540 rim, 24 mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centre lock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples |
| Front tyre | Mondo Folding Endurance, 700x32C, GRIPTON T5 |
| Rear tyre | Mondo Folding Endurance, 700x32C, GRIPTON T5 |
| Inner tubes | 700x28/38 mm, 48 mm Presta valve |
| Saddle | Body Geometry Power Sport, steel rails |
| Stem | Future Stem, Comp |
| Seatpost | S-Works Pave |
| Seat binder | Hidden drop clamp |
| Handlebars | Specialized Hover Comp, alloy, 125 mm drop, 75 mm reach with Di2 hole |
| Handlebar tape | Supacaz Super Sticky Kush |
| Claimed Weight | 9.03 kg (19 lb 14.5 oz) |
| Weight size | 56cm |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Size Guide
Specialized Roubaix Sport Road Bike 2026 Sizing
Delivery & Returns
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Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
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