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Shimano Dura-Ace 7970 Di2 EW-7972-B Internal Wiring Kit

This product is no longer available for sale. The last date it was available was 11/7/2014.

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AEBike Part Number: CY7991
Manufacturer:  Shimano
Manufacturer Part Number: IEW7972B
UPC: 689228414280

  • 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
  • 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
  • Long battery mount
  • Utilizes an internal front segment with external junction box and battery mount as well as rear and front derailleur
  • Length of front wire segment from junction box to front of bicycle=1280mm internal
  • Length of battery wire segment from junction box to battery mount=240mm external
  • Length of front derailleur wire segment from junction box to derailleur=230mm external
  • Length of rear derailleur wire segment from junction box to derailleur=485mm external

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