Utilizes an internal front segment and derailleur wires with external junction box and battery mount
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=250mm external
Length of front derailleur wire segment from junction box to derailleur=330mm external
Length of rear derailleur wire segment from junction box to derailleur=570mm 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
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
