Good eye! It is the DeeZee rack. I LOVE it! We’ve run it for a few months now and it’s fantastic. Rock solid and hasn’t come loose at all and added almost no additional wind noise. I haven’t tried running it without the crossbars but I do imagine it would be possible. The main strength of the rack comes from the clamping system and the support feet.Is that the Dee Zee rack system? How do you like it? If you remove the cross bars do you have to also remove the rain gutter rails or will they stay in place OK?