A friend is willing to sell me at a friendly price the Thule roof rack pictured below.

roof rack on ground

It's home will be a Subaru Outback that already has the crossbars (see the blue rectangles above)

car with existing crossbars

Any thoughts on how to securely attach the red-highlighted racks above to the cross-bars below?

  • Is this really on-topic, here? Obviously it's related to cycling but it really seems to be a car question to me. – David Richerby Feb 25 '18 at 19:30
  • I guess my point is that any car person with experience with bike or non-bike roof-racks could probably help you. – David Richerby Feb 25 '18 at 20:12
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    What's that big white thing under your bike for? Is it a special kind of training mat for under a static trainer? – Criggie Feb 26 '18 at 0:15
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    I would be shocked if there were not several off-the-shelf adapter kits to mate a Thule rack to stock Subaru bars. Should be easy enough to find one online, but if you prefer you can go to a rack or outdoors shop and ask about them. – Christopher Hunter Mar 2 '18 at 18:39
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    I'm voting to close this question as off-topic because it belongs on mechanics.stackexchange.com – Criggie Mar 4 '18 at 1:12

I took @Christopher Hunter's comment above an an answer, thank you: I looked up Thule adapter and found a retail shop near my house. I visited that shop today and was told that adapting was not possible: the rack attaches to the roof bar in two places ... I could purchase a back "tie-down" that was wide enough to span the roof bar, but not the front.

I ended up buying two rockymounts brand tierods. I have not yet installed them and can return them in case someone believes I chose poorly.

  • Please do let us know what they say, after you've been there. – David Richerby Mar 3 '18 at 14:27

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