- With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear
- The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts
- Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold
- Top bar button shift switches are used to operate the rear derailleur
- Can be used in conjunction with ST-9270 drop bar STI shifters
- Shift switches with 260 mm SD-300 series E-tube electrical cables fitted
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