Cervelo S5 (Ultegra) - 2016

A bike as relentless as your own passion—Cervelo's S5 takes no prisoners and answers to no one, especially the wind. The head tube, down tube, and fork all meld seamlessly together to create an incredibly aerodynamic leading edge. Its deep ...(Read More)

Cervelo S5 (Ultegra)
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A bike as relentless as your own passion—Cervelo's S5 takes no prisoners and answers to no one, especially the wind. The head tube, down tube, and fork all meld seamlessly together to create an incredibly aerodynamic leading edge. Its deep rear wheel cutout, hidden rear brake, craftily aerodynamic water bottle position, and an integrated, aero seatpost all ensure minimal drag while increasing the benefits of aero wheels. The wide BBright bottom bracket, Cervelo's Smartwall technology, and the tapered fork provide a stiff platform with minimal weight and precise cornering. It's equipped with an accurate, velvety-smooth Ultegra drivetrain and stiff Rotor crankset, while Mavic's Cosmic Elite S wheelset brings seemingly endless miles of high performance. To top it off, you get Cervelo's own All-Carbon aero handlebars, a light, stiff FSA stem, and a Fizik saddle for a comfortable, high-performance ride.

ICS3 (Internal Cable Stops) erradicates the need to run internal cable housing the entire length of the tube, which adds friction and up to 200 grams of dead weight.

Internal Cable Stops on the other hand, function much like external stops. The housing fits into the stops and the bare cables travel in unobstructed paths through the frame, into the bottom bracket cable guide, and straight to the derailleurs.

ICS3 also reduces aerodynamic drag by placing the cable housing entry out of the wind behind the stem. In order to have the cables enter the top tube, yet travel unobstructed through the downtube, Cervelo's ICS3 frames use Teflon-lined stainless steel tubes, curved to guide the cables into perfect alignment with the Bottom Bracket cable guide.

A simple method to reduce aerodynamic drag is to remove or hide objects from the wind. In some cases a brake can be completely integrated into the frame structure as if it doesn’t exist at all. However, in other cases, there are practical limitations to this level of integration. One of the real world constraints of a road bike is that riders and mechanics need to have quick, easy access to most parts on the bike. Under these conditions, complete rear brake integration is problematic for road racing. An effective and practical solution is to position and shape the seatstays to hide the rear brake from the wind.  

Dropping the down tube “hides” it in dirty air, reducing the high pressure normally found on the down tube’s leading edge, and eliminating the low pressure air that normally pulls rearward on the fork crown.

Frames are but one component of an entire system. Cervelo considers your hydration needs as part of the aerodynamic equation. Two water bottles fit in the usual positions: one on the seat tube, one on the down tube. In the standard 2-bottle arrangement, the bottles fit together tightly with each other and the frame, reducing the gaps where turbulence can form for lower aerodynamic drag.

In addition, an extra bottle boss on the down tube creates a new lower position for a single bottle. Using the low position on the down tube saves 14 grams of aero drag, a reduction of about 1.4 watts, compared to a bottle in the usual position.

Specs

Frame Cervelo S5 carbon
Fork Cervelo S5 All-Carbon w/tapered steerer
Rims/Wheels Mavic Cosmic Elite S
Hubs See Rims/Wheels
Spokes See Rims/Wheels
Tires Mavic Yksion Comp 700 x 23c
Crankset Rotor 3D30
Chainrings 52/36
Bottom Bracket BBright PressFit 30
Front Derailleur Shimano Ultegra
Rear Derailleur Shimano Ultegra
Rear Cogs Shimano Ultegra, 11-speed: 11-25
Shifters Shimano Ultegra
Handlebars Cervelo All-Carbon Aero
Stem FSA
Brake Levers Shimano Ultegra
Brakes Shimano Ultegra
Saddle Fizik Antares
Seat Post Cervelo Aero, two position

Reviews

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REVIEW SNAPSHOT®

by PowerReviews
 
5.0

(based on 1 reviews)

100%

of respondents would recommend this to a friend.

Pros

  • Aerodynamc 
  • Aerodynamic 
  • Comfortable 

Cons

  • Aluminum wheels 

Best Uses

  • Olympic triathlons 
  • Road 
  • Sprintolympic triathlons 
  • Sprint triathlons 

REVIEWS

Reviewed by 1 customers

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5

Excellent bike

By 

from Coral Gables, Fl

About Me

Pros

  • Aerodynamic
  • Aerodynamc
  • Comfortable

Cons

  • Aluminum Wheels

Best Uses

  • Road
  • Olympic Triathlons
  • Sprint Triathlons
  • Sprintolympic Triathlons

Comments:

Great on the road, very smooth on turns, handles wind well, easy shifting (no need for electronic), handles well the rough road and holes. Very light and... just a gorgeous bike. Love it!

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