T slot roof rails?

T-slot cross bars I'm in the process of putting the first round of add-ons onto my new '07 XC70 I picked up a pair of wing profile cross bars

For those who aren't familiar with 8020 extrusions, I'll give a very brief overview 8020 makes extrusions that easily bolt together using a T-slot design

the rise of ai slot The bolts can slide off attatched to the Highspeed just like Thule bike racks I wouldn't leave the bolts in the rood rack TBH the

top gaming 77 slot A 20mm x 20mm T-Track slot can be found on Thule WingBar, AeroBar, SlideBar & ProBar for easy accessory mounting Other brands of roof bars may also feature a T