Shimano's SW-R671 TT aero bar Di2 shifters add the ability to shift both front and rear derailleurs through their entire range at a press of a button.

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Product Review

Shimano's SW-R671 TT aero bar Di2 shifters add the ability to shift both front and rear derailleurs through their entire range at a press of a button.

  • E-Tube Di2 wire are plug and play
  • Two buttons per shifter allows shifting through full range of both derailleurs
  • Weight: 153g

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