We can supply a range of spare parts for the Giro AF and AF+, if you click here and take a look at the 'spare parts' tab in the link below you should be able to order all the parts you require.
Click here to order replacement T-track fittings for aero/wing bars.
These fittings were supplied with the bike carrier originally so we would recommend checking you have not put them somewhere safe at home before you order a new set.
If you have the older Atera 2216 Giro bike carrier these fittings won't work, you will need different spare parts - click here for details and to order online.