Are you tired of your "Superbike" looking like a rat’s nest? The Aeroport RS910 adaptor allows the RS910 Junction box and BTR2 internal battery to be fitted into the rear of a set of aluminum series extensions or the Profile Design 35c+ extension.
The Aeroport replaces the external "below the stem" or frame mounted junction boxes. The Aeroport provides a simple and clean solution for cable routing and provides improved access for the adjustment and charging of the BTR2 battery.
The Aeroport adapter is only compatible with 22.2mm OD aluminum series extensions or a 35c+ carbon extension with an ID of 19.4mm.
The Aeroport is designed to fit the following Di2 parts: RS910 Junction box, BTR2 Internal battery, SD50 cables.