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Today’s Deals2015 Specialized
Roubaix SL4 Disc
A carbon frame endurance bike with mid-range components and tektro mechanical disc brakes.
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| Frame | Carbon |
|---|---|
| Fork | Carbon |
| Wheels | 700c Aluminum |
| Drivetrain | 2 × 9 |
| Groupset | Sora |
| Brakes | Tektro Mechanical Disc |
5'1" – 5'5"
5'3" – 5'7"
5'5" – 5'9"
5'7" – 6'0"
5'10" – 6'2"
6'0" – 6'4"
🐐 Estimated
None yet.
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Summary
The Specialized Roubaix is celebrated for its exceptional comfort and innovative features, such as the Future Shock suspension system and CG-R seatpost, which provide a smooth ride over rough surfaces. It's noted for its light frame and race-worthy efficiency, though some find its aesthetics and initial suspension feel unconventional. Comparisons often highlight its competition with the Trek Domane and Specialized Tarmac.
Future Shock suspension system improves comfort and control
Lightest frame Specialized has ever made
Highly adjustable fit with different springs, stems, and bars
Good performance on rough surfaces like cobbles
Remarkable comfort and vibration dampening
Future Shock suspension system feels odd initially
Aesthetic might not appeal to everyone
Mechanics claim hydraulic disc brakes can be finicky to set up
Some buyers might be put-off by the non-traditional styling
Slight feeling of imbalance between front and rear compliance on very rough roads
The new Roubaix is something that has to be ridden to be believed
BikerumorThis Roubaix fit and felt like a race bike with the ride comfort of a mountain bike.
Cycling TipsIt’s a complete pleasure to ride.
CyclistThe Roubaix behaves impeccably both on smooth tarmac and gravelly surfaces.
BikeRadarSpecialized has breathed new life into the platform with hydraulic discs that let the Roubaix stop the way it rides: on any road, in any conditions, in a WorldTour-worthy package.
VeloNewsFeedback?
View all reviews
Apr 2025
Tornado Tom won Paris-Roubaix on this rim brake bike equipped with Zertz viscoelastic inserts that were said to damp vibration
Sep 2016 · Zach Overholt
When I found out that we would be headed to Kortrijk, Belgium for the Specialized launch, things started to click. We still didn’t technically know what we were going to see, but it was pretty easy to read between the lines. Not only is Kortrijk used as a base camp for major classics events, it’s …
Jul 2016 · Thomas Seidelmann, Robin Schmitt
Specialized Roubaix - Names aren’t given by chance, so by christening this bike as the Roubaix, you’ve got to either possess bags of unflinching confidence.
May 2016 · VeloNews.com
The Roubaix SL4 had one hell of a debut when Tom Boonen rode it to a solo victory in Paris-Roubaix. But that was in 2012. Specialized has breathed new
Apr 2016 · John Bradley
Specialized has breathed new life into the Roubaix with hydraulic discs that let it stop the way it rides: on any road, in any conditions.
Nov 2015 · Jordan Gibbons
Are the Zertz inserts on the Specialized Roubaix SL4 a gimmick? We're not sure but it's one of the most comfortable bikes we've ridden.
Very comfortable
Same fork rake regardless of the size
Sep 2015
While the pro peloton is only just starting to experiment with disc brakes, consumers have had access to road disc bikes for a few years. Specialized was an early adopter however a pure-bred race bike with disc brakes was missing from their catalogue until recently. In this review, CTech editor Matt Wikstrom compares
Mar 2015 · Warren Rossiter
Rear shifts proved snappy, accurate and consistent, though at the front the chain occasionally held onto the big ring teeth a pedal rotation too long.
| Frame | Specialized SL4 FACT 8r carbon, 1-1/8"" to 1-3/8"" headtube, compact race design, Zertz, internal rear brake cable, OSBB |
|---|---|
| Fork | Specialized FACT carbon, disc |
| Headset | 1-1/8"" upper, 1-3/8"" lower, Cr-Mo cartridge bearings, 20mm cone spacer, w/ 20mm of spacers |
| Stem | Specialized Comp Multi, 3D forged alloy, 4-bolt, 12-degree rise |
| Handlebar | Specialized Comp, shallow drop, 6061 alloy, 125mm drop, 70mm reach |
| Saddle | Body Geometry Toupé Sport, hollow Cr-Mo rails, 143mm |
| Seatpost | Specialized CG-R, FACT carbon, single bolt, 27.2mm Type: Rigid |
| Pedals | Nylon flat test ride, loose-ball, w/ reflectors |
| Rear Derailleur | Shimano Sora |
|---|---|
| Front Derailleur | Shimano Sora, braze-on |
| Crank | Shimano Sora, 50/34 |
| Shifters | Shimano Sora STI |
| Cassette | Shimano HG-50, 9-speed, 11-32 |
| Chain | KMC X9, 9-speed, reusable Missing Link |
| Brakes | Front: Tektro Spyre, mechanical disc, dual pivot, Rear: Tektro Spyre, mechanical disc, dual pivot Type: Tektro Mechanical Disc |
| Rims | Front: AXIS 2.0 Disc SCS, Rear: AXIS 2.0 Disc SCS |
|---|---|
| Tires | Front: Specialized Espoir Elite, 60TPI, folding bead, double BlackBelt protection, 700x25c, Rear: Specialized Espoir Elite, 60TPI, folding bead, double BlackBelt protection, 700x25c |
First added July 9
Last updated July 9
Not listed for 2,521 days