Accessory for ClioOn bike rack.
Extension pieces required for certain car models with the 9103 rack. You can find out if you need these for your own car model or if you can handle the ones included with the 9103. If you need these, they will replace those in the 9103 package. In addition, the Thule guide shows which of the three holes the attachment will be for your car.
Mandatory, expensive add-on.
Really challenging to put in place, not succeed alone. Probably unused.
Easy to use, sturdy.