Shimano Ultegra R8150 Di2 Rim Brake Groupset (Black) (2 x 12 Speed) (11-30T)

Shimano Ultegra R8150 Di2 Rim Brake Groupset (Black) (2 x 12 Speed) (11-30T)
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Price: $1,632.92 (Save 6%)
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Shimano Ultegra R8150 Di2 Rim Brake Groupset Description:

Crisp shifts and unparalleled performance. Ultegra Di2 boasts the same level of shifting and braking as Dura-Ace with only a slight weight penalty. Sometimes referred to as "the working man's groupset," Ultegra provides incredible value without giving up its high level of functionality. This Rim Brake version of the groupset allows you to upgrade your current bike to 12-speed. No matter where your road cycling journey takes you, Ultegra Di2 shifting is up for the task.

Note: Ultegra Crankset and E-Tubes sold separately


  • The same performance and ergonomic feel as Dura-Ace
  • Ultra-fast and accurate electronic Di2 shifting
  • 11-30T cassette is ideal for racers
  • Incredible battery life (over 600 miles on a single charge) 
  • Rim brake calipers provide tried-and-true braking performance and reliability
  • Wired shifters – requires at least four E-Tube cables (sold separately)
  • 12-speed cassette fits on standard 11 and 12 speed HG freehub bodies
  • Groupset includes everything you need – except for the crankset and bottom bracket (which are size-specific)


  • Speed: 2 x 12 Speed
  • Shift Mechanism: Electronic (Wired)
  • Brake Type: Rim Brake
  • Cassette Drive Type: Shimano HG 11/12
  • Cassette Teeth: 11-30T
  • Color: Black

Groupset Includes:

  • (2) ST-R8150 Shifters (Left/Right Pair)
  • (2) BR-R8100 Rim Brake Calipers
  • (1) RD-R8150 Rear Derailleur
  • (1) FD-R8150 Front Derailleur (Braze-On)
  • (1) CS-R8101 Cassette (11-30T) (Shimano HG 11/12)
  • (1) CN-M8100 Chain
  • (1) BT-DN300 Battery
  • (1) EW-EC300 Charging Cable

Groupset Does Not Include:

Package Includes:

This product was added to our catalog on April 30, 2024

Recommended Installation Tools:

E-Tube App:

IMPORTANT! When using the E-Tube Project app, make sure to always select "disconnect" when you are done making updates to your bike. DO NOT QUIT THE APP or walk away from the bike with your phone while updating.