Specific
| Bottom bracket | OS integrated, ceramic bearings |
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| Brakes | Shimano Dura-Ace |
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| Cassette | Shimano Dura-Ace, 10-speed, 11-25t |
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| Crankset | S-Works FACT carbon |
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| Features | •Brand new SL4 FACT IS 11r carbon frame has our highest stiffness-to-weight ratio ever, with tapered head tube, carbon OSBB, and internal cable routing
•Full carbon monocoque fork with tapered steerer offers the ultimate in precision handling and acceleration
•Roval Rapide SL 45 aero wheels for the fastest race performance on hills, sprints, or breakaways
•Specialized S-Works FACT carbon crankset with OSBB, removable carbon spider, and ceramic bearings, plus state-of-the-art Shimano Dura-Ace Di2 electronic 10-speed shifters ultralight, smooth performance
•Adjustable 4-position oversized alloy stem with carbon-clip front cone plus 31.8mm bar clamp for strength and versatile positioning
•Body Geometry Romin Pro saddle with carbon rails is built for racing fast with a contoured profile that keeps the rider in an optimal power-transfer position
•S-Works FACT carbon seatpost and cradle is super light and stiff for optimal power transfer, fully adjustable, and accommodates carbon-rails |
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| Fork type | S-Works FACT carbon, full monocoque, OS race for 1-3/8" bearing |
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| Frame type | S-Works SL4 FACT 11r, FACT IS construction, compact race design, 1-3/8" lower bearing, carbon OSBB |
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| Front derailleur | Shimano Dura-Ace Di2 |
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| Headset | 1-1/8" upper and 1-3/8" lower Cr-Mo cartridge bearings, w/ 8mm carbon cone spacer and 20mm of carbon spacers |
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| Hub front | Roval Rapide SL 45 |
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| Hub rear | Roval Rapide SL 45 |
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| Pedals | Nylon flat test ride, loose ball, w/ reflectors |
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| Rear derailleur | Shimano Dura-Ace Di2 |
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| Recommended for | Road race |
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| Rims type | Roval Rapide SL 45 |
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| Saddle | Body Geometry Romin Pro, carbon rails |
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| Shifters | Shimano Dura-Ace Di2, Flight Deck compatible, 10-speed |
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| Skewers | Specialized |
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| Spokes | Roval Rapide SL 45 |
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| Stem | New S-Works ProSet Stem, 7050 3D forged with carbon-clip front cap/cone, 4-degree shim, CNC head bolts |
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| Tires | S-Works Turbo w/ BlackBelt protection, 220 TPI, aramid bead, 700x23c |
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