S3 Disc Ultegra R8020 Road Bike
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S3 Disc Ultegra R8020 Complete Bike
Cervelo has been building aero road bikes for longer than most, knowing that adding aerodynamic elements to its road frames and reducing drag was an important ingredient in going fast, as aerodynamic drag accounts for as much as 90 percent of the overall resistance you encounter or a ride. We have fond memories of its alloy Soloist winning some of the sport's most prestigious races in the early 2000s and those aero traditions live on today. So if you are looking for an edge in fast road races, crits, or want a do-it-all machine for omniums, its S3 Disc Ultegra R8020 Complete Bike fits the bill nicely. In addition to more speed, it doesn't neglect a smooth ride, proper stiffness needed for efficiency and handling, refined geometry for sure handling, and good looks.
Cervelo honed the S3's aerodynamics after spending countless hours in the wind tunnel testing and refining designs. This particular disc model features full internal cable routing thanks to a new bar and stem that hides the brake and shift housing from the wind for improved aerodynamics. Additionally, the new frame profiles work together to reduce drag so you simply go faster. Cervelo calls this True Aero which combines these specific tube shapes, sizes, and design features to improve aerodynamic flow across the bike.
The most aero bike available is meaningless if it’s a wet noodle though, so thankfully Cervelo worked hard to increase the stiffness at the bottom bracket shell ensuring efficient power transfer and that every watt goes straight to the rear wheel. Just like every other Cervelo, the S3 uses its BBright shell which takes advantage of oversized frame tubes that are stiffer and lighter. With the BBright system, larger sized tubes are used at the seat tube, down tube, and non-driveside chainstay. The benefit is an increase in stiffness and pedaling efficiency while achieving a lighter weight frame that's compatible with all major bottom bracket standards. Stiffness doesn't just end there and Cervelo beefed up the head tube junction that conspires with its geometry for more confidence inspiring handling with impressive stability and precision when cornering and descending at speed.
Cervelo's mastery of carbon layups and construction techniques also allow it to reduce the frame's weight while making it stiffer. It uses advanced engineering software like Finite Element Analysis (FEA) that allows it to better understand exactly how each layer of carbon fiber is working and if it's being used properly. Its carbon expertise prescribes a specific frame layup by placing hundreds of individually cut plies of carbon in a mold in a certain order and orientation. By precisely cutting these plies, the frame is able to be made lighter while still achieving the desired strength and reliability.
And because different areas of the frame experience different loads while climbing, sprinting, and descending, to better cope with these forces, Cervelo creates different layups by placing the fibers at different angles in specific areas for the desired metrics. In addition to reducing weight, maximizing strength and stiffness, it's also instrumental in how comfortable the bike is to ride and it's backed up with extensive in-house testing and real-world experience.
A fast ride is a smooth one and it's important to keep vibrations at bay if you plan on going fast for long periods of time. Excessive road noise transmitted to the rider has proven responsible for premature fatigue and since Cervelo uses specific frame lay-ups and tube shapes that help soak up road vibrations, it helps reduce fatigue on those long days in the saddle.
Lastly, this S3 save 102 grams or the equivalent of 13 Watts, over the previous version of the S3 disc. It's also 68 grams lighter for less mass to haul around.
This version gets Shimano's Ultegra mechanical shifting that offers precise indexing and a wide gear range that covers steep climbs and fast sprints. The hydraulic disc brakes offer plenty of stopping power and excellent modulation in all weather conditions while the DT Swiss P1800 wheels further add reliability and durability to the build. Cockpit components come from Cervelo adding a bit of value and aero integration to the bike.
- An aero race bike that's efficient and stops quickly too
- Lightweight and efficient carbon construction saves grams
- True Aero tube shapes let you go faster with less effort
- BBright shell harnesses pedaling watts into forward momentum
- Aero handlebar and stem hide cables for lower drag
- Shimano Ultegra group dishes out reliable shifts season after season
- Powerful hydraulic disc brakes haul you down from speed
- Item #CVL000W
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