Shimano Dura Ace-Di2 7970 EW-7973 Internal Wire Kit for TT / Tri Bike Complete

Description

Shimano Dura Ace-Di2 7970 EW-7973 Internal Wire Kit for TT / Tri Bike. Complete kit which include front TT harness and internal rear harness (size large) and external battery mount. Rear junction box missing mountain mount but I never used as it was placed inside the frame. Fully tested and in perfect working condition.