Specific
| Bottom bracket | OS integrated, sealed bearings |
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| Brake levers | Shimano, hydraulic lever |
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| Brake rotor | Shimano |
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| Brakes | Shimano, hydraulic |
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| Cassette | Shimano Ultegra, 11-speed, 11-32 |
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| Chain | Shimano Ultegra, 11-speed |
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| Crankset | FSA SL-K Light, carbon, BB30, 50/34 |
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| Features | - Specialized SL4 FACT 10r disc frame with Zertz is fast and smooth, with incredible light weight, size-
specific engineering, and tapered headtube; FACT carbon fork with Zertz has size-specific engineering to
create a more balanced and stable ride for riders of different sizes
- Specialized Roubaix Pro 23/25c is fast like a competitive tire, but features unique casing technologies for
added comfort and puncture protection
- New Shimano hydraulic disc brakes provide the precise performance Shimano is known for, paired with
Shimano Di2 STI shifters, renowned for their race-ready performance and exceptionally consistent shifting
in all conditions
- Romin Expert Gel saddle, with hollow Ti rails, delivers the same ergonomically designed, scientifically-
proven Body Geometry features that allow riders to deliver power in high-performance positions
- The revolutionary CG-R post features 18mm of vertical compliance and Zertz vibration damping, while
FACT carbon construction delivers unsurpassed comfort, control, and efficiency without adding weight or
complication to the frame |
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| Fork type | Specialized Roubaix FACT carbon full monocoque, Zertz, size-specific |
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| Frame type | Specialized SL4 FACT 10r carbon, FACT construction, tapered/shaped 1-1/8" to size-specific lower headtube, compact race design, Zertz, internal cable routing, carbon OSBB |
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| Front derailleur | Shimano Ultegra Di2, braze-on, 11-speed |
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| Headset | 1-1/8" upper and size specific lower, stainless steel cartridge bearings, 20mm carbon cone spacer, w/ 20mm of carbon spacers |
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| Hub front | AXIS 4.0 Disc |
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| Hub rear | AXIS 4.0 Disc |
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| Pedals | Nylon flat test ride, loose ball, w/ reflectors |
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| Rear derailleur | Shimano Ultegra Di2, 11-speed |
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| Recommended for | Road Race, Endurance |
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| Rims type | AXIS 4.0 Disc |
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| Saddle | Body Geometry Romin Expert Gel, hollow Ti rails, 143mm |
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| Shifters | Shimano Di2 STI, 11-speed |
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| Spokes | AXIS 4.0 Disc |
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| Stem | Specialized Expert Pro-Set, 3D forged aluminum, 4-position adjustable, 4-bolt, 31.8mm |
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| Tires | Specialized Roubaix Pro, 120TPI, foldable aramid bead, BlackBelt protection, 700x23/25c |
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