- BIKES -
S-Works Roubaix SL8 – SRAM RED AXS
Ride it Risk-Free for 30 Days!
Every bike comes with our 30-Day Ride Guarantee. Take it home, ride it like you own it. If it’s not right, bring it back within 30 days & we’ll refund your purchase or help you find the right bike.
Normal wear and tear is expected because the only way to know it’s the right ride is to ride it.
Overview
We created the endurance road category two decades ago proving that high ergonomics means high performance. Today, the Roubaix SL8 with Future Shock 3.0 is lighter, faster, and smoother than any road bike ever made, unleashing unmatched confidence.
With the all-new, aero paradigm-shifting speed of Roval Rapide CLX III wheels, it’s reached a new level of Smoother is Faster performance. 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. Future Shock helps keep your hands and bars steady for a smoother ride with more control to stay fast, safe, and confident.
- Our dropped clamp design exposes more seatpost to increase deflection, but “more” isn’t simply better. The Pavé seatpost controls that deflection for optimal vertical compliance. Together, they create AfterShock technology, which, when paired with the Roubaix’s rigid rear triangle, delivers a smooth ride with no loss in efficiency.
- The Roubaix SL8 is the smoothest road bike our Ride Science Team has ever tested, reducing impacts at the bars and saddle by 53% compared to the nearest competition. With Roubaix’s Future Shock 3.0, the wheel quickly moves over the bump, while rider mass remains stable, maintaining momentum in rough terrain. Typical forks deflect backward on impact, causing a measurable loss in speed. It’s a scientific fact: Smoother is indeed faster.
- CAPABILITY: The Roubaix pioneered endurance geometry, so you ride “IN” the bike, not “ON” the bike, to relieve pressure on your hands, arms, and shoulders for capability and confidence on any road, yet it’s ready to dissect a mountain decent at full gas. Snuggle up.
- With tire clearance up to 40mm, this endurance road machine delivers better traction than ever on rough roads and even light gravel. Thanks to lightweight, super-efficient Specialized tires, that extra tire volume and traction comes with no downsides.
- Roubaix inspires really BIG days on the bike, so we’ve given it every mount your adventures could need—three bottle mounts, top-tube mounts, and it’s even fender-ready. So, go ahead and bring it all along for the ride.
- PERFORMANCE: The new Roubaix SL8 is our most aero yet, with new aero shapes from our Free Foil library and dropped seat stays. At just 828 grams, the frame is 50 grams lighter, utilizing lessons learned from the Aethos - the world’s lightest production frame - and our premium Fact 12r carbon blend. Nothing in its class is faster or lighter than the Roubaix.
About the S-Works Roubaix SL8 – SRAM RED AXS
The Build Specs
Frameset
| Frame | FACT 12r, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc |
|---|---|
| Fork | Future Shock 3.3 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc |
Brakes
| Front Brake | SRAM RED E1, hydraulic disc |
|---|---|
| Rear Brake | SRAM RED E1, hydraulic disc |
Drivetrain
| Bottom Bracket | Ceramic Speed BB Alpha, BSA DUB |
|---|---|
| Crankset | SRAM RED AXS E1 with Quarq Power Meter, 48/35t |
| Rear Derailleur | SRAM RED AXS E1, 12-speed |
| Front Derailleur | SRAM RED AXS E1, braze-on |
| Shift Levers | SRAM RED AXS E1, hydraulic disc |
| Chain | SRAM RED E1 Flattop 12-speed |
| Cassette | SRAM RED XG-1290 E1, 12-speed, 10-36t |
Wheels & Tires
| Inner Tubes | 700x25-35mm, 65mm Presta valve, TPU tube |
|---|---|
| Front Tire | Cotton TLR, 700x32c |
| Rear Tire | Cotton TLR, 700x32c |
| Front Wheel | Roval Rapide CLX III, Tubeless, 21mm internal width carbon rim, 51mm depth, Win Tunnel Engineered, Roval LF18-F hub, 18h, ARRIS MTO-255 Straight Pull Spokes (Carbon Fiber reinforced BioNylon, Ti end fittings) |
| Rear Wheel | Roval Rapide CLX III, Tubeless, 21mm internal width carbon rim, 48.5mm depth, Win Tunnel Engineered, Roval LF19-R hub, 24h, ARRIS MTO-255 Straight Pull Spokes (Carbon Fiber reinforced BioNylon, Ti end fittings) |
Cockpit
| Seat Binder | Hidden drop clamp |
|---|---|
| Handlebars | Roval Alpinist Carbon Handlebar, 125mm drop, 75mm reach |
| SeatPost | S-Works Pave |
| Saddle | S-Works Power with Mirror |
| Stem | S-Works SL, alloy, titanium bolts, 6-degree rise |
| Tape | Supacaz Super Sticky Kush |
Weight
| Weight Size | 56 |
|---|---|
| Weight | 7.3 kg (16 lb, 1.5 oz) |
The Geometry
| Measurement | 44 | 49 | 52 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|---|
| Stackmm | 543 | 549 | 566 | 585 | 605 | 630 | 665 |
| Reachmm | 353 | 363 | 370 | 381 | 389 | 397 | 403 |
| Head Tube Lengthmm | 90 | 90 | 105 | 122 | 140 | 168 | 202 |
| Head Tube Angledegrees | 69.3 | 70.8 | 71.5 | 72.3 | 73 | 73 | 73.5 |
| BB Heightmm | 269 | 269 | 269 | 270 | 270 | 271 | 271 |
| BB Dropmm | 80 | 80 | 80 | 78 | 78 | 78 | 78 |
| Trailmm | 76 | 66 | 62 | 61 | 57 | 57 | 54 |
| Fork Length, Fullmm | 375 | 375 | 375 | 375 | 375 | 375 | 375 |
| Fork Rake/Offsetmm | 52 | 52 | 52 | 47 | 47 | 47 | 47 |
| Front Centermm | 589 | 587 | 593 | 598 | 604 | 620 | 631 |
| Chainstay Lengthmm | 418 | 418 | 418 | 420 | 420 | 423 | 423 |
| Wheelbasemm | 994 | 992 | 988 | 1005 | 1012 | 1031 | 1042 |
| Top Tube Length, Horizontalmm | 503 | 523 | 534 | 550 | 569 | 584 | 600 |
| Bike Standover Heightmm | 686 | 719 | 747 | 766 | 787 | 809 | 847 |
| Seat Tube Lengthmm | 365 | 410 | 445 | 465 | 485 | 505 | 545 |
| Seat Tube Angledegrees | 75 | 74 | 74 | 74 | 73.5 | 73.5 | 73.5 |