aero roof bars t track bolts

Shop T Slot Bolts for Thule, Yakima Roof Rack Cross Bars, Platform, Cargo Basket, Stainless Square T Track Bolt Adapter to Secure BikeSkiKayak Rack,

Do I need to remove and attach the T-slot bolts every time I remove the rack from the car? The bolts can slide off attatched to the Highspeed just like Thule

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thule t slot bolts Review of Thule T-Track Bolt for Roof Bike Racks