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  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike 3/4 Back
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
  • Cervelo S3 Disc Ultegra Di2 R8070 Complete Bike Detail
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CerveloS-Series
S3 Disc Ultegra Di2 R8070 Complete Bike
$7,000.00

Item # CVL000X

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  • Fluoro/Black/White, 51cm ($7,000.00)
  • Fluoro/Black/White, 54cm ($7,000.00)
  • Fluoro/Black/White, 56cm ($7,000.00)
  • Fluoro/Black/White, 58cm ($7,000.00)
  • Graphite/Black/Red, 48cm ($7,000.00)
  • Graphite/Black/Red, 51cm ($7,000.00)
  • Graphite/Black/Red, 54cm ($7,000.00)
  • Graphite/Black/Red, 56cm ($7,000.00)
  • Graphite/Black/Red, 58cm ($7,000.00)
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Item # CVL000X
Description

S3 Disc Ultegra Di2 R8070 Complete Bike

The influx of aero bikes in the pro peloton comes down to two reasons. First, the sport's governing body, the UCI, places a minimum weight limit that bikes must adhere to, and instead of mechanics adding dead weight to make a bike compliant, bike manufacturers are finding ways to add some functional weight to the bike with tangible benefits, so aero tubes that lower drag makes total sense. The other is because the speed of sprints, break always, and the chase to bring back those breakaways, are so high, the pros are looking for ways to make their jobs easier and science tells us that aero drag accounts for as much as 90 percent of a rider's overall resistance. Less drag equals more speed and the benefit happens at lower speeds than you might think as well as on single-digit gradients. So if you're looking for an advantage in a day-long breakaway, while sprinting, or want a do it all machine for the weekend omnium, we'd suggest looking at an aero rig if you are new bike shopping. And if you want to be up to speed on the newest tech such as electronic shifting and disc brakes, look no further than the S3 Disc Ultegra Di2 R8070 Complete Bike.

Cervelo honed the S3's aerodynamics after spending countless hours in the wind tunnel testing and refining designs. This particular disc model features full internal cable routing thanks to a new bar and stem that hides the brake and shift housing from the wind for improved aerodynamics. Additionally, the new frame profiles work together to reduce drag so you simply go faster. Cervelo calls this True Aero which combines these specific tube shapes, sizes, and design features to improve aerodynamic flow across the bike.

The most aero bike available is meaningless if it’s a wet noodle though, so thankfully Cervelo worked hard to increase the stiffness at the bottom bracket shell ensuring efficient power transfer and that every watt goes straight to the rear wheel. Just like every other Cervelo, the S3 uses its BBright shell which takes advantage of oversized frame tubes that are stiffer and lighter. With the BBright system, larger sized tubes are used at the seat tube, down tube, and non-driveside chainstay. The benefit is an increase in stiffness and pedaling efficiency while achieving a lighter weight frame that's compatible with all major bottom bracket standards. Stiffness doesn't just end there and Cervelo beefed up the head tube junction that conspires with its geometry for more confidence inspiring handling with impressive stability and precision when cornering and descending at speed.

Cervelo's mastery of carbon layups and construction techniques also allow it to reduce the frame's weight while making it stiffer. It uses advanced engineering software like Finite Element Analysis (FEA) that allows it to better understand exactly how each layer of carbon fiber is working and if it's being used properly. Its carbon expertise prescribes a specific frame layup by placing hundreds of individually cut plies of carbon in a mold in a certain order and orientation. By precisely cutting these plies, the frame is able to be made lighter while still achieving the desired strength and reliability.

And because different areas of the frame experience different loads while climbing, sprinting, and descending, to better cope with these forces, Cervelo creates different layups by placing the fibers at different angles in specific areas for the desired metrics. In addition to reducing weight, maximizing strength and stiffness, it's also instrumental in how comfortable the bike is to ride and it's backed up with extensive in-house testing and real-world experience.

A fast ride is a smooth one and it's important to keep vibrations at bay if you plan on going fast for long periods of time. Excessive road noise transmitted to the rider has proven responsible for premature fatigue and since Cervelo uses specific frame lay-ups and tube shapes that help soak up road vibrations, it helps reduce fatigue on those long days in the saddle.

Lastly, the S3 Disc is 102 grams or the equivalent of 13 Watts faster than the current rim version of the S3 completely dispelling the myth that disc brake bikes are less aero than rim versions, while also coming in 68 grams lighter, again smashing another disc brake rumor.

This particular version comes ready to race. Shimano Ultegra Di2 shifting is accurate and precise with every shift and its hydraulic disc brakes easily scrub speed whether it’s a four-corner crit or a high-speed mountain descent. Even the Novatec R5 Carbon 48mm Disc wheelset is optimized to give you an aerodynamic edge on fast group rides and races.

  • An aero race bike that doesn't sacrifice stiffness or comfort for speed
  • Lightweight and responsive carbon construction boosts efficiency
  • True Aero shaping lowers drag for fewer wasted watts
  • BBright shell channels watts to the rear wheel
  • Fully integrated cable routing keeps the looks and aerodynamics clean
  • Shimano Ultegra Di2 shifts with the same effort as clicking a mouse
  • Novatec R5 Carbon 48mm Disc wheels add to the aero fun
  • Cervelo once again establishes itself as the leader of aero
Tech SpecsGeometry
Tech Specs
Frame Material
Carbon
Fork
S3 Disc
Headset
FSA IS2
Shifters
Shimano Ultegra Di2 8070
Front Derailleur
Shimano Ultegra Di2 8050
Rear Derailleur
Shimano Ultegra Di2 8050
Crankset
Shimano Ultegra Di2 8000
Chainring Sizes
52 / 36t
Crank Arm Length
[48, 51cm] 170mm, [54, 56cm] 172.5mm, [58, 61cm] 175mm
Bottom Bracket
Cervelo Connect
Bottom Bracket Type
BBright
Cassette
Shimano Ultegra CS-R8000
Cassette Range
11 - 30t
Chain
Shimano CN-HG701
Brakeset
Shimano Ultegra 8070
Brake Type
Hydraulic Disc
Rotors
Shimano Ultegra SM-RT800
Handlebar
[48cm] Cervelo AB04, [51 - 61cm] Cervelo AB09
Handlebar Width
[48cm] 38cm, [51cm] 40cm [54, 56cm] 42cm, [58, 61cm] 44cm
Stem
Cervelo ST29
Stem Length
[48, 51cm] 90mm, [54, 56cm] 100mm, [58, 61cm] 110mm
Saddle
Prologo Dimension STN
Seatpost
Cervelo Carbon SP20
Wheelset
Novatec R5 Carbon 48mm Disc
Front Axle
12mm Thru-Axle
Rear Axle
12 x 142mm
Tires
Continental Grand Prix SL
Tire Size
700c x 25mm
Pedals
not included
Recommended Use
road cycling
Manufacturer Warranty
lifetime on frame
Geometry
 
48cm51cm54cm56cm58cm61cm
a Seat Tube(c-c)
      
b Seat Tube(c-t)
      
c Effective Top Tube
51.5cm53.2cm54.8cm56.3cm58.1cm59.7cm
d Stack
50.5cm53cm55.5cm58cm60.5cm63cm
e Reach
36cm36.9cm37.8cm38.6cm39.6cm40.5cm
f Stand Over
71.3cm74.21cm77.15cm80.13cm82.49cm84.86cm
g Head Tube
10.34cm12.39cm14.72cm17.06cm19.93cm22.54cm
h Head Tube Angle
71727373.573.573.5
i Seat Tube Angle
737373737373
j Bottom Bracket Height
      
k Bottom Bracket Drop
7.25cm7.25cm7cm7cm6.75cm6.75cm
l Chainstay
40.5cm40.5cm40.5cm40.5cm40.5cm40.5cm
m Wheelbase
96.87cm97.08cm97.33cm98.08cm99.94cm101.58cm
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Reviews & Community

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Avg. ride time: 8h 22m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Feels Aero but is heavier than expected

  • Familiarity: I've put it through the wringer

I love the geometry. It seems to be a good middle-ground for a race geometry. Not super aggressive but not too upright ether. For a Ultegera level bike at 7k, it should have had nicer wheels. I am not happy with the Novatec they felt sluggish. I swapped them out for a pair for Black inc 55s and I am happier with them. My S3 is size 54 and with only Vector pedals and cages weighs in at 19.3lbs. Which I think should come in at under 18lbs for a bike at this level. One thing to be aware of with a lot of these bike with proprietary stems is that in order to change the stem or headset bearings, you will have to disconnect everything from the cockpit including the brake lines.

So if I had the chance to do this again, would I buy an S3? Unforutanly the answer is probably not.

Feels Aero but is heavier than expected

Aero

  • Familiarity: I've used it once or twice and have initial impressions

If you are in the market for a stiff aero race steed you owe it to yourself to checkout Cervelo's S3 disc. The fully internal wiring setup of the Shimano Di2 R8070 drivetrain gives this bike a super clean cockpit free of wires and housing. Impressive stopping power gives you confidence heading into the turns as well as helping you avoid that careless driver (which I discovered firsthand on my first ride).

Your can really put some power through this bike. It accelerates on command and handles better than I would have expected. Descending the steep canyons here in Utah is a breeze and you can hold your line in cross winds without too much trouble.

Sizing for Cervelo is based on Stack and Reach which makes it easy to get you on the right frame size. The 56 fit me perfectly at 6' and a 32" inseam.



Aero