roof racks

[samflis]

hi i want to buy the thule roof racks 3034, 751 , 769 to carry surfboards, some knows if driving at 120km/h can the roof pop up in while driving because of the surfboars resistence to the wind?
or is it made for that purpose,
thanks

 

[Andy]

Not heard of roof opening when driving. Except when not shut properly.
Unlikely to coe open as there will be pressure in the hydraulic rams that should prevent it from opening. I suspect there is also a mechanical lock as well. Lugs or something that locate in to a recess, or something similar.

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