Shimano Dura-Ace Di2 climbing shift switch pair

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
• Climbing twin button satellite shift switch is used to operate the rear derailleur whilst your hands are on the top of the bars, one button up , one button down
• To be plugged direct in to E-tube drop bar STI shifters
• Shift switch is supplied with 261 mm E-tube electrical cables installed
• Weight is 30 grams

Occasionally, without notice, manufacturers change product design and/or specifications.