Specific
| Bottom bracket | OS integrated, sealed bearings |
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| Brake levers | Shimano Ultegra |
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| Brakes | Shimano Ultegra |
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| Cassette | Shimano Ultegra, 11-speed, 11-28 |
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| Chain | Shimano Ultegra, 11-speed |
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| Crankset | FSA SL-K Light, carbon, BB30 |
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| Features | With its race-optimized, FACT carbon frame, efficient handling, and increased 19% stiffness-to-weight ratio over the previous Tour de France-winning version, the Tarmac SL4 has plenty of Pro-Tour proven speed up its sleeve. Simply put: nothing is lighter and stiffer. That’s why it’s the go-to choice of the pro peloton. Ride it hard, ride it fast, just wind yourself up and go.
The Tarmac SL4 is a pure and unbridled race machine. It climbs effortlessly, descends confidently, and sprints ferociously. It's the lightest, stiffest frame we make and it shows as soon as you push on the pedals. Bottom line, you'll be faster on this bike. There's a reason it's the weapon of choice for the Saxo-Tinkoff, Astana and Omega Pharma-Quick-Step Pro Tour teams.
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| Fork type | Specialized FACT carbon full monocoque, OS race for 1-3/8" bearing, hollow carbon dropouts |
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| Frame type | Specialized SL4 FACT 10r carbon, FACT construction, tapered/shaped headtube, compact race design, 1-3/8" lower bearing, OSBB |
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| Front derailleur | Shimano Ultegra, braze-on, 11-speed |
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| Headset | 1-1/8" upper and 1-3/8" lower, stainless steel cartridge bearings, 8mm carbon cone spacer, w/ 20mm of carbon spacers |
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| Hub front | Fulcrum S4 |
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| Hub rear | Fulcrum S4 |
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| Pedals | Nylon flat test ride, loose ball, w/ reflectors |
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| Rear derailleur | Shimano Ultegra, 11-speed |
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| Recommended for | Road Race |
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| Rims type | Fulcrum S4 |
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| Saddle | Body Geometry Toupé Expert, hollow Ti rails, 143mm |
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| Shifters | Shimano Ultegra STI, 11-speed |
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| Spokes | Fulcrum S4 |
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| Stem | Specialized Pro SL, 3D forged 7050 aluminum, 4-bolt, 31.8mm |
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| Tires | Specialized Turbo Pro, 127TPI, foldable aramid bead, BlackBelt protection, 700x23c |
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