Description

Cervélo S5 Ultegra DI2 (2027)

The all-new 2027 Cervélo S5 Ultegra DI2 still sets the bar for aerodynamic road bikes. Cervélo’s flagship aero racer delivers speed, stiffness, efficiency and ride quality, giving competitive riders every possible advantage.

Developed alongside World Tour professionals and refined through extensive Computational Fluid Dynamics (CFD) testing, the 2027 S5 combines class-leading aerodynamics with impressive comfort and seamless integration. Every watt matters, and every detail helps you ride faster.

2027 Cervélo S5 Highlights

• Enhanced Aerodynamics
  Refined tube profiles reduce aerodynamic drag by 8.7 watts at 40km/h compared to the previous-generation S5.
• Lighter Frame
  An advanced carbon layup and redesigned frame junctions cut 124g from the previous generation frame while maintaining Cervélo’s renowned stiffness.
• One-Piece Aero Cockpit
  One-piece HB19 carbon cockpit improves airflow, reduces frontal area and saves an additional 1 watt.
• Ride Quality
  Refined geometry increases compliance, deliver greater comfort without sacrificing race-winning responsiveness.
• Fully Integrated Cable Routing
  Completely internal cable routing creates a cleaner appearance, improves aerodynamics and simplifies servicing.
• Reserve 57TA / 64TA Wheelset
  The latest Reserve aero wheels feature DT Swiss 240 DICUT hubs, delivering exceptional reliability, lower rolling resistance and outstanding performance. The wheels are 10% stiffer and 3 watts faster than the previous generation while maintaining the same weight.
• SP34 Carbon Seatpost
  The SP34 seatpost saves 27g and provides increased fore-and-aft adjustment while maintaining excellent stiffness.
• 61cm Frame Size
  The S5 range now includes a 61cm option, giving taller riders access to Cervélo’s fastest aero road bike.

Why Choose the 2027 Cervélo S5?

World Tour Proven
Built from Grand Tour-winning experience and extensive wind tunnel development.

Pure Speed
Every component works together to reduce drag and maximise efficiency, whether you’re sprinting, climbing or attacking solo.

Future Ready
Designed for the latest electronic groupsets with fully integrated technology throughout.

Whether you’re chasing podium finishes, setting personal bests or simply riding the fastest bike possible, the 2027 Cervélo S5 delivers uncompromising performance.

It’s more than an aero bike—it’s a race-winning machine.

Specifications

• Model: Cervélo S5 Ultegra DI2 (2027)
• Colours: Five Black, Reef Blue
• Sizes (contact for availability): 48, 51, 54, 56, 58, 61
• Fork: Cervélo All-Carbon Bayonet S5 Fork
• Headset: FSA IS2 1-1/8, 36° x 45° / 1-3/8, 36° x 45°
• Cockpit: Cervélo HB19 Carbon One-Piece Handlebar/Stem
• Seatpost: Cervélo SP34 Carbon
• Saddle: Fizik Arione R1
• Shifters: Shimano Ultegra R8170 Di2
• Brake Calipers: Shimano Ultegra
• Brake Rotors: Shimano CL800 Centrelock
• Front Derailleur: Shimano Ultegra R8150 Di2
• Rear Derailleur: Shimano Ultegra R8150 Di2
• Cassette: Shimano Ultegra 11-34T, 12-Speed
• Chain: Shimano M8100
• Crankset: Shimano Ultegra R8100, 52/36T
• Power Meter: 4iiii Precision Pro GEN3+ Dual-Sided
• Bottom Bracket: FSA BBright Thread-Together for 24mm Spindle

Wheelset:

• Reserve 57TA Front
• Reserve 64TA Rear
  • DT Swiss 240 DICUT hubs
  • Tubeless compatible
• Front Thru Axle: Cervélo Aero Thru Axle M12x1.5mm, 122mm
• Rear Thru Axle: Cervélo Aero Thru Axle M12x1.0mm, 169mm
• Tyres: Vittoria Corsa Pro TLR G2.0 700x29c
• Maximum Tyre Clearance: 34mm

Accessories:

• Cervélo Front Computer/Accessory Mount 266
• Cervélo Rear Accessory Mount

Specifications are subject to minor changes without notice.

Ready to Experience the 2027 Cervélo S5?

Discover why the 2027 Cervélo S5 Ultegra DI2 stands at the forefront of aerodynamic road racing. Book your test ride today and experience the speed, precision and performance that define Cervélo’s flagship aero bike.

Click Here to see more information on the 2027 S5 including the Infrared frameset colour.