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 is the ultimate expression of aerodynamic speed. By refining the front-end integration and optimizing the airflow between the seat tube and rear wheel, this latest iteration delivers a 6.3-watt improvement in efficiency. Not only is it faster, but it is also 124 grams lighter, ensuring peak performance when the road tilts upward. Paired with the legendary Shimano Dura-Ace Di2 R9270 and Ceramic Speed bearings, the S5 is the natural choice for those who demand the absolute best.
Elite Aerodynamic Engineering
- Redesigned TrueAero™ Frame: Features deeper tube profiles and an integrated head-tube-to-fork configuration to slice through the wind.
- Shimano Dura-Ace Di2 R9270: The pinnacle of electronic shifting, offering lightning-fast, wireless precision for 12-speed performance.
- Reserve 57/64 Turbulent Aero Wheels: Co-developed with Reserve to match the S5's frame profiles, featuring DT Swiss 180 hubs with ceramic bearings.
- HB19 Carbon One-Piece Cockpit: The revolutionary V-shaped bar refined into a one-piece setup, featuring the "Plus-Four" concept for a narrower, more aero-efficient hood position.
- 4iiii Precision Pro Gen3+: Factory-installed dual-sided power meter providing professional-grade accuracy for every training session.
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.
