2026 Cervelo S5 Shimano Dura-Ace Di2 Carbon Aero Road Bike
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Product Description
2026 Cervélo S5 Shimano Dura-Ace Di2
The Fastest Just Got Faster. 6.3 Watts of Pure Advantage.
The 2026 Cervélo S5 Shimano Dura-Ace Di2 Carbon is an elite aero road bike engineered to minimize drag, maximize power transfer, and set the standard for high-speed road racing. Built around Cervélo's redesigned TrueAero frame architecture with an integrated head-tube-to-fork junction, this wind-cheating platform maximizes aerodynamic gains while retaining immense bottom-bracket stiffness for explosive sprints. Driven by Shimano's flagship Dura-Ace Di2 12-speed electronic groupset with an integrated dual-sided 4iiii power meter, deep-section Reserve 57/64 Turbulent Aero carbon wheels rolling on ultra-smooth DT Swiss 180 ceramic hubs, and the refined HB19 one-piece V-cockpit, it gives competitive sprinters and breakaway specialists an ultra-streamlined, lightning-fast machine designed for podium-winning performances.
Elite Aerodynamic Engineering
Redesigned TrueAero Frame: Incorporates deeper aerodynamic tube shapes and an integrated head-tube-to-fork interface engineered to slice through wind at high velocities.
Shimano Dura-Ace Di2 R9270: The pinnacle of 12-speed electronic shifting technology, delivering instant wireless precision and exceptional hydraulic braking control under heavy loads.
Reserve 57/64 Aero Wheel System: Co-developed to complement the S5 frame profiles, these deep-section carbon rims are paired with DT Swiss 180 ceramic hubs for maximum aerodynamic stability and rotational speed.
HB19 Carbon One-Piece Cockpit: The revolutionary V-shaped bar refined into a single-piece setup, utilizing the "Plus-Four" geometry design to enable a narrower, more aerodynamic hood position.
4iiii Precision Pro Gen3+: Equipped from the factory with a dual-sided power meter to deliver professional-grade accuracy for pacing and performance tracking.
Technical Specifications
| Frameset & Cockpit | |
|---|---|
| Frame | Cervélo S5 All-Carbon, TrueAero tube profiles, 12x142mm |
| Fork | Cervélo All-Carbon, tapered Bayonet S5 fork, external head tube nose section |
| Handlebar/Stem | Cervélo HB19 Carbon One-Piece Cockpit |
| Bottom Bracket | Ceramic Speed SL, BBright for 24mm spindle |
| Drivetrain & Brakes | |
| Groupset | Shimano Dura-Ace Di2 R9250/R9270, 24-Speed Electronic |
| Crankset | Shimano Dura-Ace R9200, 54/40T |
| Power Meter | 4iiii Precision Pro, GEN3+ Dual Sided |
| Cassette | Shimano Dura-Ace R9200, 11-34T, 12-Speed |
| Brakes | Shimano Dura-Ace R9270 Hydraulic Disc, CL900 160mm Rotors |
| Wheels & Tyres | |
| Wheelset | Reserve 57/64 Turbulent Aero, DT Swiss 180 DICUT Hubs |
| Tyres | Vittoria Corsa Pro TLR G2.0 700x29mm |
| Saddle | Selle Italia NOVUS BOOST EVO SuperFlow Carbon |
| Seatpost | Cervélo SP34 Carbon Aero |
HB19 Cockpit Sizing Chart
| Frame Size | Bar Width (Drops) | Stem Length |
|---|---|---|
| 48cm | 36cm | 80mm |
| 51cm | 38cm | 90mm |
| 54/56cm | 40cm | 100mm |
| 58cm | 40cm | 110mm |
| 61cm | 40cm | 120mm |
Aerodynamic Precision
The Cervélo S5 is more than just an aero road bike; it is a meticulously tuned aerodynamic system. The synergy between the Reserve 57/64 wheels and the frame's asymmetric seat tube ensures that airflow remains attached to the bike longer, reducing drag in real-world "turbulent" conditions. With a 54/40T chainring setup and pro-level stability, this bike is built for maximum velocity and podium finishes.
