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Cervelo S5 Ultegra Road Bike

★★★★★ ★★★★★
MSP £4,699.00 Save 45%

From only £80.44 per month

15.9% APR Representative. T&Cs Apply.

S5 Ultegra Road Bike
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Product ID: 796317

Utilising a frameset chosen by some of the world's top professional riders, the Cervelo S5 Ultegra Road Bike boasts airfoil tubing and a cutaway seat tube in the pursuit of aerodynamic perfection.

With a lightweight carbon fibre construction, the S5 is a stiff and responsive ride. The Shimano Ultegra R8000 mechanical groupset provides crisp, reliable and responsive shifting, outperforming its price point. This is a top choice for riders who want a modern race-proven bicycle that combines performance with reliability.

Watch our exclusive Cervelo S5 Ultegra key features video with Matt Stephens below.

Why buy your bike from Sigma Sports?

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Expert Advice

Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.

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Built, Checked, Tuned and Tested

All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.

Free Bike Delivery

We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.

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Free 30-Day Bike Insurance

We've partnered with PedalSure to offer you 30-DAYS FREE bike insurance on new bikes over £400. Visit our Cycle Insurance page to learn more and claim.

Cervelo S5 Ultegra Road Bike

Built around a frame used by some of the world's greatest riders, the Cervelo S5 Ultegra Road Bike delivers superb mechanical shifting with top aerodynamics. Boasting Cervelo's All-Carbon construction, the S5 frameset has been developed and refined extensively in pursuit of aerodynamic perfection. With airfoil tubing and a cutaway seat tube reducing the turbulent airflow produced as this bike moves through the air, your next ride can be more efficient and faster.

Futureproof cable management routes the wiring from the Ultegra R8000 groupset in a neat and aerodynamic manner, while ensuring that the cockpit is as clean and clear as possible. With Shimano's reliable and seamless Ultegra R8000 mechanical groupset delivering responsive and accurate gear shifts. An 11-28 tooth cassette pairs with a 52/36t chainset to equip you with the right ratios to tackle tough climbs as well as long flats.

The aerodynamic design continues with the Cervelo S5 seatpost and Aero AB04 handlebars, bringing full wind cheating benefits across the finishing kit of the bike. A top quality Fizik Antares R7 saddle provides the perfect perch for commanding this fast and responsive road bike.

Using Mavic Cosmic Elite clincher wheels for a robust and smooth ride quality and Yksion Elite 25mm tyres for outstanding grip, this is a pedigree racing machine that's designed to deliver.


  • Stunning value aero road bike, with a frameset straight out of the pro peloton
  • Aerofoil tubing incorporates bottles into the design
  • Dropped down tube and seat tube cut out for further reduced drag
  • Future-proof cable management
  • Carbon dropouts
  • Fully equipped with Shimano Ultegra 8000
  • High-quality Mavic Cosmic Elite Wheelset

Please note: The seatpost may require cutting down to size, depending on your fit. Sigma Sports recommends this is carried out by a certified bike mechanic.

Technical Specification

FRAME Cervelo All-Carbon S5 Frame
FORK Cervelo All-Carbon, tapered S5 fork
HEADSET FSA IS2 1x1/8 - 1x3/8-inch
STEM Cervelo Ultra Light Alloy Stem
HANDLEBARS Cervelo, Aero AB04
FRONT BRAKE Shimano Ultegra R8000
REAR BRAKE Shimano Ultegra R8000
BRAKE LEVERS Shimano Ultegra R8000
FRONT DERAILLEUR Shimano Ultegra R8000, 11 speed
REAR DERAILLEUR Shimano Ultegra R8000, 11-speed
SHIFT LEVERS Shimano Ultegra R8000, 11-speed
CASSETTE Shimano Ultegra CS-R8000, 11-28T
CRANKSET Shimano Ultegra R8000 52/36T
CHAIN Shimano CN-HG701, 11-speed
BOTTOM BRACKET BBB Bottomfit BBO-72, PF30 Threaded
FRONT WHEEL Mavic Cosmic Elite Clincher
REAR WHEEL Mavic Cosmic Elite Clincher
FRONT TYRE Mavic Yksion Elite 700 x 25mm
REAR TYRE Mavic Yksion Elite 700 x 25mm
SADDLE Fizik Antares R7
SEATPOST Cervelo Carbon, Aero SP17 (Please note

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if specified), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride.

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.

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