Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset Ultegra Di2, Praxis -
Suspension Rigid -
Drivetrain 2 × 11 Electronic -
Brakes Rim
Sizing
Recommended size guide.
49cm
155cm - 163cm
52cm
161cm - 169cm
54cm
166cm - 175cm
56cm
172cm - 181cm
58cm
178cm - 186cm
61cm
183cm - 191cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Specialized SL4 FACT 10r carbon, 1-1/8"" to 1-3/8"" head tube, compact race design, Zertz, internal rear brake cable, OSBB
Suspension Fork
FACT carbon fiber, full carbon monocoque, Zertz inserts
Drivetrain
Rear Derailleur
Shimano Ultegra Di2, long cage, 11-speed
Front Derailleur
Shimano Ultegra Di2 6870, 11-speed, braze-on
Shift Levers
Shimano Ultegra Di2, 11-speed
Cassette
Shimano 105, 11-speed, 11-32t
Crank
Praxis Zayante, 50/34T
Bottom Bracket
Praxis
Chain
KMC X11, 11-speed
Wheels
Rims
Axis Elite, QR
Tires
Turbo Pro, 700x26mm, 60TPI, folding bead, BlackBelt protection
Brakes
Brakes
Shimano 105
Cockpit
Stem
Specialized, 3D forged alloy, 4-bolt, 7-degree rise
Handlebar
Specialized Shallow Drop, alloy, 125mm drop, 75mm reach
Seat
Saddle
Phenom Comp GT, hollow Cr-Mo rails, 143mm
Seatpost
Specialized CG-R, FACT carbon, single bolt, 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.4 mm | 1.45 mm | 1.49 mm | 1.53 mm | 1.6 mm | 1.63 mm |
| Bottom Bracket Height | 269.5 mm | 269.5 mm | 271 mm | 271 mm | 272.5 mm | 272.5 mm |
| Front Center | 582 mm | 589 mm | 596 mm | 606 mm | 621 mm | 628 mm |
| Rake | 49 mm | 49 mm | 49 mm | 49 mm | 49 mm | 49 mm |
| Trail | 60 mm | 60 mm | 60 mm | 57 mm | 57 mm | 53 mm |
| Stack | 522 mm | 541 mm | 558 mm | 584 mm | 616 mm | 637 mm |
| Reach | 372 mm | 373 mm | 374 mm | 381 mm | 386 mm | 392 mm |
| Top Tube Length | 508 mm | 530 mm | 541 mm | 559 mm | 576 mm | 595 mm |
| Seat Tube Angle | 75.5 ° | 74 ° | 73.5 ° | 73.25 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 445 mm | 475 mm | 495 mm | 515 mm | 540 mm | 565 mm |
| Head Tube Angle | 72 ° | 72 ° | 72 ° | 72.5 ° | 72.5 ° | 73 ° |
| Head Tube Length | 125 mm | 145 mm | 165 mm | 190 mm | 225 mm | 245 mm |
| Chainstay Length | 406 mm | 406 mm | 409 mm | 409 mm | 412 mm | 414 mm |
| Wheelbase | 977 mm | 984 mm | 994 mm | 1005 mm | 1023 mm | 1033 mm |
| Bottom Bracket Drop | 73 mm | 73 mm | 71 mm | 71 mm | 70 mm | 70 mm |
| Standover Height | 724 mm | 750 mm | 770 mm | 792 mm | 823 mm | 845 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 155 cm | 161 cm | 166 cm | 172 cm | 178 cm | 183 cm |
| Rider Max Height | 163 cm | 169 cm | 175 cm | 181 cm | 186 cm | 191 cm |
Model Overview
Roubaix SL4 Comp Di2 is part of the Specialized Roubaix model. Specialized released 195 bikes variations of this model so far. You can easily view all of the Specialized Roubaix bikes models from 2017, here.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Endurance bikes average price
According to our math, the average price for a trustworthy Endurance bike is 2346$. However, even though the average price of an Endurance bike is lower, you might still be able to get a top-quality bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Internal Cable Routing
Another thing to mention, is the internal cable routing of this bike. In conclusion, this helps you too, keep the bike cables in mint condition, and also it looks better. No more cables, surrounding the bike.
Overview of components
Fork material
When it comes to the fork, this bike has a carbon one, so, it is super light and stiff. In conclusion, a carbon fork gives you great control when steering, and is also more forgiving.
Wheels size
The wheels on Roubaix SL4 Comp Di2 are the 700c aluminum type. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, these wheels don’t perform so well when passing over obstacles.
Brakes
For your safety, it is important to have quality breaks on your bike. Specialized Roubaix SL4 Comp Di2 has Rim brakes installed. Slightly lighter than hydraulic brakes, rim brakes are a budget choice. However, they are not nearly as effective as hydraulic brakes are.
Sizes
There are 6 sizes available for this model. Rider height can be anywhere between 155 cm – 191 cm (5.09 ft – 6.27 ft). In short, you can easily find one that suits you.