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Will The Thule Motion XT Roof Top Cargo Box Fit 1-1/2 Inch Square Cross Bars?  

Updated 03/06/2026 | Published 12/20/2022

Question:

Can the Thule Motion XT accommodate a 1.5x1.5inch square cross bar?

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Expert Reply:

Yes, you will be able to use the Thule Motion XT Rooftop Cargo Box # TH629706 on your 1.5"x1.5" square cross bars. This box will fit crossbars up to 1-11/16" tall and 3-1/2" wide.

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Bud M
Jt profile picture

Jt

3/6/2026

Is there an alternative mount for bars larger square crossbars?

Jesse M. profile picture
Etrailer Expert

Jesse M.

3/6/2026

@Jt Sadly, there is not. The max crossbar dimensions are 3-1/2" wide x 1-11/16" tall.

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