SKU: 38022013535

S5 Ultegra Di2

Sale price$4544.99 Regular price$5049.99
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

S5 Ultegra Di2The S5 is a sport wide benchmark for speed and aerodynamic efficiencywith 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, S5s iconic V stem and bayonet fork are a fixture at the front of the professional peloton. The new S5 builds on that legacy of speed by getting even faster, evolving the front end, and going on a bit

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 builds on that legacy of speed by getting even faster, evolving the front end, and going on a bit of a diet, making it an even more potent partner for the fastest riders in the world. 

The new bike is over 6 Watts faster than its predecessor, 124 grams lighter, and retains the handling, poise, and stability that riders everywhere love. The biggest changes are at the front of the bike, where the most significant aerodynamic performance comes from. The fork legs and head tube got quite a bit deeper, and the all-new, one-piece handlebar/stem builds on the original V-stem concept—and gets even faster. 

Cervélo and Reserve co-developed the new Reserve 57|64 Turbulent Aero wheels specifically for use in the S5 frame. The offset of the wheels perfectly matches the asymmetry of the S5 seat tube, and they tuck right into the wheel cut outs. This ensures that air flows smoothly over the entire bike, and Reserve’s Turbulent Aero approach makes them incredibly stable, even in crosswinds.

FEATURES:

  • 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 we’re confident that the new S5 is at least 5 Watts faster than the bikes of our competitors.
  • One-Piece Handlebar/Stem: 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, even in light of the most recent regulations change.
  • Not Just Faster. Lighter, Too: 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.
  • Reserve 57|64 Designed for S5: 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.

SPECS:

Frame S5 Carbon
Fork Cervélo All-Carbon, Bayonet S5 Fork
Rims/Wheels [F] Reserve 57TA, DT Swiss 240, 12x100mm, 24H, centerlock, tubeless compatible [R] Reserve 64TA, DT Swiss 240, 12x142mm, HG freehub 24H, centerlock, tubeless compatible
Hubs N/A
Spokes N/A
Tires Vittoria Corsa Pro TLR G2.0 700x29c
Crankset Shimano Ultegra, R8100, 52/36T 
Chainrings 52/36T
Bottom Bracket FSA, BBright thread together for 24mm spindle
Chain Shimano M8100
Front Derailleur Shimano Ultegra, R8150
Rear Derailleur Shimano Ultegra, R8150
Cassette/Rear Cogs
Shimano Ultegra, R8100, 11-34T, 12-Speed
Shifters Shimano Ultegra, R8170
Handlebars Cervélo HB19 Carbon
Stem Cervélo HB19 Carbon
Brakes Shimano Ultegra, R8170 w/ Shimano CL800 Centerlock Rotor
Pedals Sold Separately
Saddle Selle Italia NOVUS BOOST EVO SuperFlow Ti
Seat Post Cervélo SP34 Carbon
Extras 4iiii Precision Pro, GEN3+ Dual Sided Power Meter, Cervélo Front Computer/Accessory Mount 887, Cervélo Rear Accessory Mount
Shipping Notes
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Exchange/Return Notes
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SKU: 38022013535

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4.2 ★★★★★
Based on 24 reviews
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Product Reviews
F
Verified Purchase
Florina3090
New York, US
★★★★★ 5
Can I have Term 2 now?
Format: Kindle
This is by far my favorite book of Lyra's to date. I gobbled this book up so fast, I was so upset I finished it. I know this is going to be a book I reread, just like Fate Hollow Academy. I loved Fate Hollow Academy, so I was excited when Lyra announced she was taking us readers back to Kalista. Although the characters from Fate Hollow are mentioned several times throughout the book, this book is about Pandora and her love interests in the Demon Realm. Before you deep dive into this book, definitely look at the trigger warnings before you start. When Lyra says there's dark themes in this book, she meant it. Also, just know this book does end on a cliffhanger and will probably leave you with as many questions as it did me. Below may contain some minor spoilers, so keep that in mind if you want to keep reading my review. Pandora's first 2 decades of her life are full of torture, hatred, and confinement in a cellar. That is until her father finds her and brings her into the world she was supposed to live in. Because of her upbringing she wasn't acclimated to the Demon world and the way their society works so when she is offered the chance to go to a Demon Reform Accademy, she accepts it to learn the ways of society and how she is supposed to feed. Pandora isn't like the other common demons in this world, no. She, like her father Death, are soul-eaters. Pandora is too scared to release her powers because she doesn't want to kill anyone, so she needs to learn how to feed off of a piece of soul instead of taking the whole thing. Because of who her father is, she's classed as a Noble, and while she doesn't agree with her fellow Noble students, who look down on the "lower" class, she also is faced with 3 Demons who hate her for being a Noble. Theses a lot of back and forth tension which these 3 demons who have issues of their own. One is obsessed with her, and wants to know all of her secrets. One leaks fear all over the place, but also is scared of the "princess" -wink- -wink-. One is a complete drunk who doesn't like her just because he's got family Noble problems. Don't worry, there are 2 other demons who are just the sweetest towards her. One who will get vengeance for anything done to her, he's got Golden Retriever energy around her and touch her and die energy for anyone around her. Finally, there is one who is friends with her even when the whole school is scared of her, who brings her into his dreams and will create nightmares for those who bother her.
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Reviewed in the United States on June 4, 2024
M
Verified Purchase
Mystery_Machine_Gang
Natrona Heights, US
★★★★★ 4
This was more than I expected...
Format: Kindle
So...I finished this book at nearly 2am! It was just that hard to put down. I loved that it's set in the same world as Fates Hollow but in the future. Poor Pandora has been through so much but there's light at the end of the tunnel for her. She finally meets her dad and it turns out he's amazing. In order to help her learn about demon society and how to control her magic he sends her to the Demon Reform Academy. There she meets 2 awesome demons who help her and care for her. She also sadly meets her 3 tormentors. I will say though that while they do bully Pandora they also rescue her several times and defend her. They too have traumatizing pasts and can't see the good that is in front of them. Of course demon society needs to be shaken up too since that's part of the problem. I really enjoyed this read. I teared up a few times throughout the book but I liked the characters and that ending...well it looks like 3 in denial are going to need to grovel hard.
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Reviewed in the United States on June 1, 2024
K
Verified Purchase
Krystle
Grantham, US
★★★★★ 5
MUST READ BOOK!!
Format: Kindle
I was in a huge reading slump, when one of my favorite authors recommended this book in her readers group (The amazing Marie Mistry 🫶) and I absolutely DEVOURED this book. Now I’m in the club crying about having to wait until December for Term 2! This book is about a girl named Pandora who has suffered a life that nobody would ever wish to have. This book is about Pandora learning how to live, learning about herself and what she really wants. She has a long journey to find out all of these things, but she took the first steps in this book and it was beautiful to read. Some of the men in this book are our dream men, Hunter and Reed 😍 and then we have the men who need some work and who we all really just want to beat up until they admit what they really feel, Skel, Bram and Dexter. But that cliffy was a killer and I absolutely cannot wait until the next book!! You have written an absolute dream of a book Lyra and I eagerly await the next installment in this series!!!
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Reviewed in the United States on June 7, 2024
R
Verified Purchase
RavenousRaven
Louisville, US
★★★★★ 5
One of the best reading experiences I’ve ever had
Format: Audiobook
This was truly AMAZING!!!!!!!!!!!! In every possible way. - the setting. I loved the steampunk/gaslamp setting with trains, overcast weather, and mafia vibes - the magic. I still don’t entirely understand the magic system and descendants as much and it took awhile for me to get my footing in that department- and I am intrigued beyond measure, though it in no way lessened my enjoyment of the story. I just really wish I had a better grasp of it. - the plot itself. Beautiful. The tropes were troping in the absolute best way. Every single thing that happened I was like YES MORE!!! - the writing. I found myself grinning ear to ear uncontrollably during my entire read through and full on choking on my gasps, again, like the entire read through. And I read this too at times when I was in an awful mood so the way this book was an INSTANT pick me up really speaks to how well this was written. I was having the absolute best time, non stop. - the characters. The best part oh my gosh. Camilla is SUCH a badass. Her and Nico are supposed to be low 20s and I gotta tell you they read more like 30s from how capable and mature they are (not that that age bracket is incapable or immature, just comparing them to other characters written in that age range). She is the type of cool as heck character that everyone would be cos-playing as and if it was a kid movie, every single girl would dress as her for Halloween. She’s that awesome. Nico is top freaking tier. I gotta say his hairstyle is my undoing and with the addition of the metal arm- before I even started reading the book I was in love with him. And he was EVEN BETTER than my lofty expectations. This man. Perfect in every single way. Every. Single. Way. If I start now I won’t stop so I’m just gonna leave it at that. Camilla and Nico are power couple of the century though and the way they interacted was the most toe-curling/squealing/kicking your feet banter I’ve read in a while. PLUS the way they fell for each other was a gem. I was falling in love with their relationship right along with them. - a shout out to the side characters too. Aramis, Gideon, Aunt Fran, Esme, Luther, Adler [honestly just insert all the supporting cast they were freaking phenomenal] brought so much life and personality to the story and helped round out Nico and Camilla. I really really really would absolutely adore if Adler got some more spotlight time in the future because he and Aramis are up there with “let’s give these side characters their own spinoffs”. Also, the villains were great too. I love a great villain in a story and sometimes I don’t think they get highlighted as much in books as in movies or TV that I hear of. If it wasn’t obvious already- this was even greater than a 5 star read. This was perfection- in quality and in vibes- and it was one of the most enjoyable reading experiences I have ever had and I’m not throwing that around lightly. I have scenes from this book playing in my mind unbidden on repeat and I know this world has so much more to be explored. I will read anything Alexis L Menard puts out in the future
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Reviewed in the United States on March 5, 2025
J
Verified Purchase
Jenny
Grantham, US
★★★★★ 4
Great mix of maffia and magic
Format: Kindle
This one felt really unique to me, with a great and successful blend of Twenties-feeling maffia and inventive magic. I liked both the main characters a lot, even though I found myself almost shouting at the MFC sometimes. She really should learn not to trust everyone just because they're family! All in all a good read, with lots of romance, yearning and some spice as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 15, 2025

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