RD-9070 Dura-Ace Di2 11-speed rear derailleur E-tube, SS cage. 11-28T wide gear ratio capacity. Carbon fibre inner and outer pulley plates for enhanced performance. 

Shimano Dura-Ace

Shimano Dura Ace Rear Derailleur Di2 9070 11spd SS

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Shimano Dura Ace Rear Derailleur Di2 9070 11spd SS

Season :

Brand : Shimano Dura-Ace

Code : rd9070ss

Weight : 0KG

  • Digital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch the Dura-Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency
  • 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
  • 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
  • Full carbon fibre inner and outer pulley plates enhance rigidity and reduce weight
  • Titanium B axle bolt for further weight savings
  • 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
  • Pulleys are made of tough DuPont Zytel for longer life and less chain noise
  • 11-speed E-tube Di2 compatible
  • Max front difference: 16T
  • Total capacity: 33T
  • Weight is 217 grams
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