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Shimano Dura-Ace R9150 Di2 Road Groupset

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Starting at $3,637.90

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Shimano Dura-Ace Di2 ST-R9150 2x11 STI Brake/Shift Lever Set   + $829.99
Shimano Di2 BT-DN110-A2 Internal Battery   + $207.99
Shimano SM-BCR2 Di2 Battery Charger with USB Power Cable   + $152.99
Shimano Dura-Ace Di2 FD-R9150 2x11 Braze-on Front Derailleur   + $497.99
Shimano Dura-Ace Di2 RD-R9150 11 Speed Rear Derailleur   + $833.99
Shimano Dura-Ace/Ultegra Di2 SM-JC41 Internal Wire Junction Box   + $48.99

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    The Flagship Complete your dream ride with the Dura-Ace Di2 R9150 groupset. Combining classic design and engineering with cutting-edge technology, this build kit is made to world standard, setting new benchmarks in what the road, TT and CX worlds can look forward to experiencing. Wired communication between shifters and the rear derailleur enables precision gear changes for an overall cleaner and more efficient finish to your bike. Welcome to the new frontier of cycling, you’re going to love it. Carefree Shifts With the R9150 Di2 A soft light tough is all you need instantaneously select the correct gear. Full and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio. Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI. Programmable function of top button remote switch for third party cycle computers. Crankset: This Shimano Dura Ace FC-R9100 HOLLOWTECH II Crankset (2x11-speed) is wider than its predecessor but is still very lightweight by utilising the Hollowtech II technology. The highly rigid hollow structure cuts down on weight but still maintains strength resulting in better power transfer and more precise front shifting. Cassette Using a carbon fiber and alloy spider and five titanium sprockets, the DURA-ACE R9100 cassette provides accurate shifting and light weight to the most discerning road cyclists on the planet. Brakes The Shimano Dura-Ace 9100 brakes have been developed to offer greater clearance for tyres up to 28c while maintaining the aerodynamic advantage of Shimano's previous editions. Other improvements are that these calipers are now up to 43% stiffer than previous Dura-Ace brakes and offer a linear braking curve for improved feel and function. To improve aerodynamics, the quick release arm tucks in towards the main body when closed.
    Hollowtech II Crankset Lengths • 165mm • 167.5mm • 170mm • 172.5mm • 175mm • 180mm Chainring Sizes • 59-39T • 52-36T • 50-34T R9100 Dura Ace Cassette Ratios • 11-25T • 11-28T • 11-30T • 12-25T • 12-28T E-Tube Choose your wire combinations and Di2 extras to suit your build