S5
PURE SPEED
The S5 is a sport-wide benchmark for speed and aerodynamic efficiency—with the race results to back it up. From Wout van Aert winning the Green Jersey by the biggest margin of victory in modern history, to Simon Yates riding himself into the maglia rosa, S5’s iconic V-stem and bayonet fork are a fixture at the front of the professional peloton. The new S5 is over 6 Watts faster than its predecessor, 124 grams lighter, and retains the handling, poise, and stability that riders everywhere love.
AERO AERO AERO
The new S5 is 6.3 Watts faster than its predecessor. These gains are realized primarily at the front end of the bike, but the integration of the asymmetric profiles of the seat tube and rear wheel are a significant source as well. Cervélo has long been the aerodynamic leader in the peloton, and S5 remains among the fastest bikes in the world.
ONE PEACE OF MIND
The new S5’s one-piece bar and stem were responsible for a significant part of the weight reduction of the bike, and we know that a perfect fit is a critical part of getting the most out of your new bike. We made 15 different size combinations, and when you buy an S5, your Authorized Cervélo Retailer will help you get the right size, for no additional cost.
AERO AERO AERO
The new S5 is 6.3 Watts faster than its predecessor. These gains are realized primarily at the front end of the bike, but the integration of the asymmetric profiles of the seat tube and rear wheel are a significant source as well. Cervélo has long been the aerodynamic leader in the peloton, and S5 remains among the fastest bikes in the world.
ONE PEACE OF MIND
The new S5’s one-piece bar and stem were responsible for a significant part of the weight reduction of the bike, and we know that a perfect fit is a critical part of getting the most out of your new bike. We made 15 different size combinations, and when you buy an S5, your Authorized Cervélo Retailer will help you get the right size, for no additional cost.
Three quarter view drawer
The new Reserve 57|64 wheelset was co-developed by Reserve and Cervélo, and designed for use in the new S5. The rear wheel’s asymmetry matches the seat tube, ensuring air flows smoothly over both. The new wheelset is 3 Watts faster than the 52|63 wheels, and weighs the same.
Despite an increase in surface area, the new S5 is 124 grams lighter than its predecessor. While the increase in fork and head tube depth added weight, we optimized the layup and hardware to make the system lighter. Better on the flats and on the climbs alike.
HB19 uses our “Plus-Four” concept, meaning the dimension at the hoods is 4cm narrower than in the drops (e.g. 38cm/42cm). This approach helps riders maintain a more aero body position while their hands are on the hoods, and provides stability in the drops for descending and sprinting. All bar sizes are UCI-legal.
Straight on view drawer
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Headset |
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Fork Axle to Crown |
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Fork Offset |
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Fork Compatibility |
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Suspension System |
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Rear Travel |
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Recommended Sag |
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Shock Length |
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Shock Stroke |
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Shock Mounting Hardware Upper |
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Shock Mounting Hardware Lower |
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Shock Bushing Size Front |
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Shock Bushing Size Rear |
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Bottom Bracket Shell |
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Chainline |
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Max Chainring Size |
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Front Derailleur Mount |
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Chainguide Standard |
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Derailleur Hanger |
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UDH Compatible |
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Front Spacing |
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Rear Spacing |
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Rear Brake Mount |
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Front Brake Mount |
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Rear Brake Mount |
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Max Rotor Size |
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Max Tire Clearance May vary according to tire and rim model |
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Seat Post Diameter |
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Seat Clamp Diameter |
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Sealant |
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Water Bottle Mounts |
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Downtube Storage |
| 48 | 51 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|
| Reach | 367 | 376 | 384 | 392 | 401 | 409 |
| Stack | 496 | 519 | 542 | 565 | 588 | 608 |
| Bb drop | 74.5 | 74.5 | 72 | 72 | 69.5 | 69.5 |
| Bb height | 266.5 | 266.5 | 269 | 269 | 271.5 | 271.5 |
| Chainstay length | 405 | 405 | 405 | 405 | 405 | 405 |
| Seat tube angle | 73° | 73° | 73° | 73° | 73° | 73° |
| Seat tube angle saddle height | 580 | 630 | 680 | 730 | 780 | 800 |
| Head tube angle | 71° | 72° | 73° | 73.5° | 73.5° | 73.5° |
| Fork offset | 58.5 | 52.5 | 46.5 | 43.5 | 43.5 | 43.5 |
| Trail | 55.5 | 55.6 | 55.6 | 55.6 | 55.6 | 55.6 |
| Front center | 579 | 580 | 581 | 588 | 604 | 617 |
| Head tube length | 64 | 82 | 104 | 125 | 152 | 173 |
| Wheelbase | 973 | 974 | 975 | 982 | 999 | 1013 |
| Standover height | 712 | 734 | 758 | 781 | 804 | 822 |
| Seat tube length | 438 | 459 | 480 | 502 | 523 | 542 |
| Top tube length | 520 | 535 | 550 | 565 | 581 | 595 |
Download manuals below for setup, care, and reference information for your Cervélo S5.
Find genuine replacement parts for your S5 using our Spare Parts Finder below.
Find small partsCheck our FAQs section, or get in touch with our customer service team for further support with your S5.
Chat with a Cervélo Expert
“If you want the best race bike possible, it’s very, very hard to look past the S5. There’s not really much more to say than that.”Cycling News
S5 FAQs
Every Cervélo is a complex, highly-engineered machine, designed to help make you faster. Below are some answers to questions that we frequently get from riders, but if your question isn't on the list, please don't hesitate to get in touch.