I have an OEM Whispbar WB200 Bike Fork Mount for sale. I used this on the Whisbar rack on a 2013 Model S. The mount has T-bolts that fit into the top groove of the Roof Mounted Rack so that you can still open your Pano Roof with attachments. This Bike Rack has been discontinued, but this is the original equipment for Model S Roof Racks. I sold my Model S and now selling this bike attachment.
Comes with two keys.
Info here: Whispbar WB200 Bike Fork Mount - Whispbar Bike Racks
$300 plus shipping.
Comes with two keys.
Info here: Whispbar WB200 Bike Fork Mount - Whispbar Bike Racks
$300 plus shipping.
