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Shimano Dura-Ace 7970 Di2 EW-7975-A-2 Internal Wiring Kit

This product is no longer available for sale. The last date it was available was .

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AEBike Part Number: CY7997
Manufacturer:  Shimano
Manufacturer Part Number: IEW7975A2
UPC: 689228421066

Shimano Internal Wiring Kits
  • Short battery mount
  • Features a 1010mm battery mount wire for battery placement under the saddle
  • Internalizes all wires as well as the junction box with only the battery mounting externally
  • Length of front wire segment from junction box to front of bicycle=950mm internal
  • Length of battery wire segment from junction box to battery mount=1010 mm internal
  • Length of front derailleur wire segment from junction box to derailleur=275 internal
  • Length of rear derailleur wire segment from junction box to derailleur=720 internal
  • Internal wiring kits are only intended for use with frames designed specifically to support Di2 internal wiring
  • Internal wire kits are available in three degrees of internalization
  • Dura-Ace 7970 Di2 and Ultegra 6770 Di2 components and wires are not cross-compatible; the battery and its charger are universal
  • Internal wiring kits feature one of two types of battery mounts: long, which is the same mount that external wiring kits utilize, and short, which eliminates the water bottle cage mount allowing for alternative battery placement

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