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

Code: CY7991 On Sale: $236.99 Regular Price: $249.99 Savings Of: $13.00 Quantity: Shimano Dura-Ace 7970 Internal Di2 Rear Wiring Kits 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 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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