Thule Cargo Boxes

pmajche1

New member
May 15, 2025
15
7
Philadelphia
Looking at purchasing a Thule Motion 3 Rooftop Box, mainly to hold skis and ski gear. I definitely want the Low model but can't decide between the XL or XXL. Would love to see either on the 550 to see how they look prior to buying.

 
What is the spread of the crossbars on the OT? I have a Premium+ and the crossbars have a 38" spread, most Thule boxes claim a Max Spread of 36 7/8 (but actually fit a little more). Just want to make sure it'll fit. I was able to put on an older Thule Atlantis 1600 XT on my Premium+ but it barely fit, not exactly what you wanted but something for comparison.
 

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I'm right there with you on my Lux+ with 37.5'' spacing.

Looking into options with Thule but concerned with the spacing - Have an old Thule that does not fit due to spacing.
 

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