Shimano Dummy Plug for ST-R9150 / ST-R8050 / ST-S705

Shimano Dummy Plug for ST-R9150 / ST-R8050 - For unused Di2 connectionsThe Shimano dummy plug for Dura-Ace ST-R9150, Ultegra ST-R8050 and Alfine ST-S705 is a dummy plug, which is compatible with numerous other, also older Di2 switch/brake levers as well as