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Undisputedly the Fastest Bike of The Modern ERA
The Cervelo S5 Ultegra Di2 has one job—get to the line before everyone else. Under the likes of Wout van Aert, Marianne Vos, and Christophe LaPorte, the new model has already proven itself as a tool without equality. In the 2022 Tour de France, this bike propelled Wout to the highest ever Points Classification score of the modern era. At 480, Wout was some 194 points ahead of his nearest rival—tangible proof that Cervelo keeps delivering aerodynamic gains to our World Tour athletes.
The new Cervelo S5 Ultegra Di2 has reduced drag by 65 grams and increased the frame’s surface area while still reducing overall weight. The deeper frame sections maximize the shapes allowed by the UCI. Meanwhile, the iconic V-stem has been further refined and a new fork designed to simplify the entire front end.
What’s more, a ground-breaking new wheel design concept has been co-developed with Reserve to increase stability and reduce drag in turbulent aero conditions.
V is for Velocity
In pursuit of speed, everyone wants to try different positions to find their most aggressive fit. The S5's iconic V-stem not only inspires confident handling at high speeds, it's now also remarkably simple to dial in your perfect set-up. All the necessary spacers come with the bike, and there’s now only one bolt length, reducing complexity and making the system 53g lighter in the process.
Frame Enhancements
The UCI’s new regulations on aerodynamic design allowed us some additional room to deepen our aero profiles and squeeze 65 more grams of drag performance out of what is already the fastest aero bike on the market. You’ll notice a deeper head tube and BB area, and more aggressive shaping on the trailing edges of the tubes. Since the new S5 is only compatible with electronic shifting, we were able to tidy the dropout a bit, and update the shaping all over the bike.
Tire Clearance
Wider wheels and tires are faster aerodynamically, and more comfortable to boot. S5 comes specced with 28mm tires but has clearance for up to a 34mm (measured) tire. The frame is optimized to complement the wider Reserve 52/63 turbulent aero wheels. In addition to the handling benefits, this saves over 5 watts compared to the previous Reserve wheelset.
Handlebar Refinement
We’ve improved the comfort of the handlebar and tweaked the shape to get a perfectly flat bar-to-hood transition. We now use a two-bolt interface that allows for infinite tilt adjustments between 0 and 5 degrees.
Keeping It Simple
Bike fitters at every level are moving away from longer-offset seat posts, and the new S5 comes stock with a 15mm offset post on most sizes (vs 25mm offset on outgoing S5). The old seat posts are forward-compatible, and we’ll keep the 400mm long, 25mm offset post in stock for those looking for a more extreme fit.
| Size | 48 | 51 | 54 | 56 | 58 |
|---|---|---|---|---|---|
| Reach | mm | 367 | 376 | 384 | 392 | 401 |
| Stack | mm | 496 | 519 | 542 | 565 | 588 |
| Head Tube Angle | 71° | 72° | 73° | 73.5° | 73.5° |
| Front Center | mm | 579 | 580 | 581 | 588 | 604 |
| Bottom Bracket Drop | mm | 72.5 | 72.5 | 70 | 70 | 67.5 |
| Head Tube Length | mm | 69 | 87 | 109 | 130 | 157 |
| Top Tube Length | mm | 520 | 535 | 550 | 565 | 581 |
| Seat Tube Angle | 73° | 73° | 73° | 73° | 73° |
| Standover Height | mm | 715 | 736 | 754 | 782 | 813 |
| Trail | mm | 56.1 | 56.1 | 56.2 | 56.2 | 56.2 |
| Wheel Size | 700C | 700C | 700C | 700C | 700C |
| Fork Offset | mm | 58 | 52 | 46 | 43 | 43 |
| Wheelbase | mm | 973 | 974 | 975 | 982 | 999 |
| Chainstay Length | mm | 405 | 405 | 405 | 405 | 405 |
*Note: Images are for representational purposes only. Actual size/packaging varies with product type/size.
Additional Shipping Charges Apply:
Large volume / volumetric weight Shipment - This product originates from our distribution center in Bangalore, India. It will be transported using the most reliable and premium courier partners to ensure reliable product delivery to you. Any orders received out of Bangalore will attract a nominal shipping charge, to be decided and applied by couriers after the order is placed and when the product is ready for dispatch - by checking the volumetric weight of the shipment box. Applicable shipping charges by the transporter will be communicated and to be paid before the dispatch.
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