Shimano Ultegra 12 Speed Disc Brake Di2 Groupset From  £1400.00


  • Shimano's latest Ultegra 12 Speed disc brake groupset gives their fastest ever shifting with wireless controls.
  • The new 12 speed cassettes will fit any 11 speed Shimano pattern freehub so no need to change your wheels.
  • The semi-wireless system, which does away with wiring from the shifters to the derailleurs, means a much cleaner build on bikes.
  • Shimano has also retained its long-life, large-capacity seatpost/tube-mounted battery, which is wired to the front and rear derailleurs.
  • Shimano have integrated the charge port into the rear derailleur, meaning you no longer need a separate junction box mounted under the stem, at the end of the bar, or integrated into the frame.
  • The internal BT-DN300 battery provide up to 1,000km between charges.
  • Both Ultegra R8100 and Dura-Ace R9200 bring full, built-in Bluetooth connectivity to Shimano’s electronic groupsets without needing any additional parts. That means you can pair the groupset to a compatible bike computer and have easy access to the system’s gear shifting options through Shimano’s app.
  • NB - The group can be customised by selecting your desired components below. If you do not require a bottom bracket or disc rotors then those items can be left out.


1 - Crankset
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2 - Bottom Bracket (optional)
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3 - Cassette
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4 - Rear Derailleur
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5 - Front Derailleur
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6 - Chain
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7 - Left Shifter + Hydraulic Brake Caliper
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8 - Right Shifter + Hydraulic Brake Caliper
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9 - Di2 Battery
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10 - DI2 USB Charging Cable
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11 - Front Derailleur Shift Wire
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12 - Rear Derailleur Shift Wire
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13 - Front Disc Rotor (optional)
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14 - Rear Disc Rotor (optional)
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