Shimano 6870 Ultegra Di2 11-Speed Rear Derailleur E-tube, SS Cage
With the Shimano 6870 Ultegra Di2 11-speed Rear Derailleur E-tube, SS Cage, 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 SS model allows for a 11-28T wide gear ratio capacity that will cater for compact setups as well as the traditional road double.
Features
- The GS rear derailleur weighs 250g
- Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift
- The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts
- Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts
- 11-28T wide gear ratio capacity will cater for compact setups as well as the traditional road double
- High tolerance cold forged aluminium link plates and body construction is extremely light and durable
- Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting
- 11-speed E-tube Di2 compatible; Shimano’s E-Tube software handles everything from diagnostics, to shifter customization, derailleur adjustments and firmware updates. A cable with a USB on one end and a Shimano specific plug on the other is used for connecting your PC/Mac to your bicycle.
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