Shimano Ultegra DI2 R8170 12 Speed Disc Brake Groupset

Starting at: £1,379.99£2,400.00 43% off
Shimano Ultegra DI2 R8170 12 Speed Disc Brake Groupset

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Shimano Ultegra DI2 R8170 12 Speed Disc Brake Groupset

The latest Ultegra DI2 componentry is now 12 speed and that extra sprocket makes all the difference. The revolutionary Di2 shifting system solves the challenges drivetrains present to the power-delivery equation in cycling. Di2 gives you instant, accurate, lighting-fast shifts the first and every time, at the push of a button. Even in the most extreme conditions, shifting is precise and controlled. You can change gear even under heavy load while climbing or accelerating. With Di2, you are in complete control.

Shimano Ultegra DI2 R8170 12 Speed Disc Brake Groupset is highly customizable using Shimano's user-friendly E-TUBE App on your smartphone or PC. With E-TUBE, you can set up your drivetrain just the way you like it; adjust shift speed, alter the number of shifts per button actuation, and utilize synchro and semi-synchro functionality. You can also use E-TUBE to connect your Shimano 12-speed wireless drivetrain with Shimano Connected Partners like Garmin and Wahoo. This connectivity allows you to take advantage of features like scrolling through GPS screens using buttons on your shifter rather than taking your hands off the bars.

Shimano Ultegra DI2 R8170 12 Speed Disc Brake Groupset features new braking systems, which are quieter, easier to maintain, and deliver superior control. Improvements start with the addition of Shimano’s proven SERVO WAVE technology. First developed for mountain bikes, SERVO WAVE provides a quick initial bite, then slows down lever force generation for better modulation. The new brake calipers offer increased pad-to-rotor clearance when the brake is disengaged, lessening the likelihood of rotor rub even if a rotor is slightly out of true. New ULTEGRA Di2 features 11-30 and 11-34 cassettes paired with 50-34 or 52-36 chainrings to deliver a gear range to meet any situation. A single rear derailleur option has eliminated any need for long or short cage models, one derailleur will do it all.

Shimano Ultegra DI2 R8170 12 Speed Disc Brake Groupset Features

  • Crankset: Shimano Ultegra FC-R8100
  • Shifters: Shimano Ultegra ST-R8170 Hydraulic disc brakes with wireless Di2 shifting.
  • Front Derailleur: Shimano Ultegra Di2 FD-R8150
  • Rear Derailleur:Shimano Ultegra Di2 RD-R8150
  • Cassette: Shimano Ultegra Di2 CS-R8100 11-30 or 11-34
  • Chain: Shimano CN-M7100 12 speed
  • Shimano BT-DN300 Di2 Internal Mount Battery
  • Shimano EW-EC300 Battery Charging cable

Option to purchase Shimano Ultegra BB and Ultegra rotors if required


Reference: r8170 group
Brand: Shimano

Delivery Information

Delivery to the UK and Ireland : 1- 2 days. Next day delivery to UK destinations is available at an additional charge, depending on item size and weight, details can be found at checkout.

European Destinations : 3 to 5 days

USA, Canada, Japan, Australia and other Far East Destinations 4 to 7 days.

Rest of World: 5- 10 days.

A tracking number with either Royal Mail or Parcel Force web address is emailed to all customers on dispatch of goods.

Further information on shipping charges.

Reviews For Shimano Ultegra DI2 R8170 12 Speed Disc Brake Groupset


We accept the return of goods only if they are unopened (except in cases where the item has to be tried for fit) and in their original condition. If you return goods as detailed, within 30 days, we will issue a full refund for the price you paid for the item.

If there is a fault or malfunction with an item please return the goods to us with the original receipt and packaging.We will forward the items to the relevant manufacturer's warranty department. Delays in return of warranty items are the responsibility of the manufacturers and we cannot be held responsible, we will however endeavour to have all warranty issues resolved as speedily as possible.

If the item returned is found not to be defective or sent by mistake by us; you will be responsible for the postage charges and the costs of any other services provided to you in connection with your purchase. If items are returned for a straight exchange due to change of size/colour a further postage and package charge will be have to be made.