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Shimano Ultegra Di2 6870 11Spd Rear Gear

1 review
Title
  • Precise, lightning-fast shifts across an 11-speed cassette, whatever the conditions, with just a button click
  • 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
  • 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
  • SS: 11-28T wide gear ratio capacity will cater for compact setups as well as the traditional road double
  • GS: 11-32T 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
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