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Shimano Dura Ace 9000 Front Derailleur

Availability: In stock

Item #:113581

$109.99

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Shimano Dura Ace 9000 Front Derailleur

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Shimano Dura Ace 9000 Front Derailleur

To respond to the ever-growing popularity of the Di2 front derailleur, Shimano made some drastic revisions to the overall design of the FD-9000. To start, we should explain Dura-Ace 9000's shifting goal -- easier action with a shorter stroke at the lever. To achieve this, a multi-part strategy had to be developed. First, Shimano had to revise the actuation ratio -- easier said than done. By standard, Shimano has operated on a variable ratio. This means that the ratio between a unit of shifted cable and its measured movement of a derailleur is varied throughout the gear range. As Shimano sees it, every gear jump is different, and requires a variance in actuation. However, to minimize the stroke effort, the variable ratio had to be lessened. This required a replacement of the leverage points on the front derailleur's body. You'll notice that FD-9000 now has a heightened profile with the leverage point at the top of the body. The enlarged pull arm creates more leverage, and this strengthens the pull, eases the actuation, and thus lessens the shift stroke.

All in all, Shimano claims that the new derailleur system creates a 43% reduction in shifting effort over 7900 at the lever. And to round things off in the efficiency department, the FD-9000 is pulled by Shimano's proprietary, polymer-coated shift cable. Shimano's new cable nearly eliminates mechanical drag, and further enhances shift accuracy. Altogether, the minimization of stroke and required effort creates a shifting experience on-par with the accuracy found in Di2 systems. 9000 guarantees predictability and ease across the shifting range, and to accommodate for FC-9000's 55 tooth chainring capacity, Shimano reintroduced its micro-trim system. In this iteration, it works opposite to prior generations, in that the trim moves outward for wide-open, cross-chain compatibility.

The Shimano Dura-Ace FD-9000 11-Speed Front Derailleur is available in one color and as either a braze-on or clamp. The clamp is offered in both a 31.8mm/28.6mm or 34.9mm clamp diameter. Please note that the FD-9000 is intended for use with the Dura-Ace 9000 component group.

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Cervelo P2 5800 11-Speed - White
The classic P2 became a triathlon icon by putting “superbike” performance within reach of virtually any serious athlete from beginner to professional. Now after seven years and two Ironman World Champion victories, Cervélo engineers have created a worthy successor. The new P2 is more rider-friendly than ever, with a wide range of fit options to get you set up quickly and dialed for maximum results from the first pedal stroke. Hydration and nutrition options are intuitive and accessible. And when you are ready to upgrade equipment, the new P2 is fully compatible with mechanical, hydraulic or electronic components so can grow along with your ability.

Specifications:

  • Fork: Cervélo All-Carbon, P2 Fork
  • Headset: FSA IS2 1-1/8 x 1-1/8”
  • Seatpost: Cervélo Carbon, Aero, Rail-Adjust
  • Rear Derailleur: Shimano 105 5800, 11 spd
  • Front Derailleur: Shimano 105 5800, 11 spd
  • Shifters: Shimano BSR1, 11 spd
  • Brake Calipers: FSA Gossamer Pro
  • Brake Levers: Profile Design ABS AL
  • Bottom Bracket: FSA PF-30
  • Crankset: FSA Gossamer BBright™ 52/36
  • Handlebar: Profile Design T2 Wing
  • Aero Bar: Profile Design T4+
  • Stem: Profile Design Aris OS
  • Saddle: ISM Prologue
  • Cassette: Shimano 105 5800, 11-25
  • Chain: Shimano HG600, 11 spd
  • Wheels: Shimano RS010 (700c), Vision Team 30 (650c)
  • Tires: Vittoria Rubino Pro 150 tpi, 700X23c
$2,799.99
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