S-Series Frameset

With nearly two decades of experience crafting aerodynamic road bikes, Cervelo further refines their line-up with the S-Series Disc Frameset. Combining TrueAero tube shaping and race-ready geometry, the S-Series makes a capable partner for racing, whether that’s the weekend omnium or with a champion’s jersey on the line.

Cervelo honed the S-Series’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 tubing profiles work together to reduce drag so you simply go faster. Cervelo calls this TrueAero which combines these specific tube shapes, sizes, and design features to improve aerodynamic flow across the bike.

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. Like other Cervelo frames, the S-Series uses a 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-drive 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.

• An aero machine without limits to terrain or conditions
• True Aero tube shapes slice through the wind
• Flat-mount disc brake compatibility for speed control without drag
• Lightweight and efficient carbon construction
• BBright shell harnesses watts and sends it to the rear wheel
• Includes an aero seatpost, stem, and handlebar
• Mechanical and electronic drivetrain friendly