2026 Cervelo S5 SRAM RED AXS Carbon Aero Road Bike
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Product Description
2026 Cervélo S5 SRAM RED AXS
Speed Reimagined. 6 Watts Faster. Zero Compromise.
The 2026 Cervélo S5 is the pinnacle of aerodynamic engineering. Re-engineered to be 6 watts faster than its predecessor, this latest iteration features deeper tube profiles and a redesigned front end to slice through the wind. Despite its aggressive aero profile, Cervélo has managed to shed 124 grams, making it a formidable ally on steady climbs. Equipped with the flagship SRAM RED AXS E1 groupset and Reserve 57/64 Turbulent Aero wheels, the S5 is built for one thing: pure, unadulterated speed.
Elite Aerodynamic & Performance Features
- TrueAero™ Carbon Frame: Features deeper chord profiles in the fork and head tube, meticulously shaped to minimize drag at high yaw angles.
- SRAM RED AXS E1: The lightest wireless electronic groupset in the world, featuring a built-in power meter and ultra-efficient ceramic bearings.
- HB19 Carbon One-Piece Cockpit: The iconic V-stem evolved into a one-piece setup with a "Plus-Four" flare, offering a 4cm narrower width at the hoods for an optimized aero tuck.
- Reserve 57/64 Turbulent Aero: Co-developed wheels with DT Swiss 180 hubs, specifically tuned for the S5 frame to provide unmatched stability and a 3-watt gain.
- Integrated Integration: Asymmetric seat tube and rear wheel profiles create seamless airflow, ensuring every watt is converted into forward momentum.
Technical Specifications
| Frameset & Cockpit | |
|---|---|
| Frame | Cervélo S5 All-Carbon, TrueAero tube profiles, 12x142mm thru-axle |
| Fork | Cervélo All-Carbon, tapered Bayonet S5 fork, external head tube nose section |
| Handlebar/Stem | Cervélo HB19 Carbon One-Piece Cockpit |
| Headset | FSA SL IS2 1-1/8 x 1-3/8 |
| Drivetrain & Brakes | |
| Groupset | SRAM RED AXS E1, 24-Speed Wireless Electronic |
| Crankset | SRAM Red AXS E1, 50/37T with Integrated Power Meter |
| Bottom Bracket | SRAM DUB Ceramic, BBright |
| Cassette | SRAM Red E1, 10-33T, 12-Speed |
| Brakes | SRAM Red Hydraulic Disc with 160mm Paceline X Rotors |
| Wheels & Tyres | |
| Wheelset | Reserve 57/64 Turbulent Aero, DT Swiss 180 DICUT Hubs |
| Tyres | Vittoria Corsa Pro TLR G2.0 700x29mm |
| Seatpost | Cervélo SP34 Carbon |
| Saddle | Selle Italia NOVUS BOOST EVO SuperFlow Carbon |
HB19 Cockpit Sizing Guide
| Frame Size | Hood Width | Drop Width | Stem Length |
|---|---|---|---|
| 48cm | 32cm | 36cm | 80mm |
| 51cm | 34cm | 38cm | 90mm |
| 54/56cm | 36cm | 40cm | 100mm |
| 58cm | 36cm | 40cm | 110mm |
| 61cm | 36cm | 40cm | 120mm |
Built for the Finish Line
The Cervélo S5 remains the world's most dominant aero bike for a reason. By refining the iconic V-stem into the HB19 one-piece cockpit and widening tire clearance to accommodate the high-volume Vittoria Corsa Pro 29mm tires, Cervélo has delivered a ride that is not only faster but significantly more comfortable. Whether you are sprinting for a World Tour podium or hunting a local KOM, the S5 offers the stability and razor-sharp responsiveness needed to perform under pressure.
