U-Bolt Roof Box Fitting Kit

PR3090 (Previously U-Bolt Fitting Kit)

Universal U-bolt kit specifically designed for Prorack Aero (S-Wing) bars. Can be used to mount roof boxes or anything that requires bolting around the bars.

$79.00 RRP*
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* Price quoted is the recommended retail price (RRP) and does not include freight or installation. Refer to specifications, installation and safety advice before use.


  • Kit contains 4 x plastic coated U-bolts
  • 4 x U-bolt mounting plates with 90 mm centres
  • 4 x 3 lobe knobs


PR3090 U-Bolt Roof Box Fitting Kit

Package dimensionsL 5.10 cm x W 3.60 cm x H 3.10 cm
Retail barcode9419711903615

Safety & Warranty

All Prorack products come with a 3 year limited warranty
For more information, refer to our warranty page. Safety is paramount in all Prorack products, and our engineers go the extra mile to ensure the bars can withstand the harshest treatment. The final step is up to you – so be sure to read all instructions provided with your product and use it safely.


How much weight can I actually carry on top of my vehicle?

Confused by how much weight you can actually carry on top of your vehicle? Don't worry, it might seem confusing at first, but this helpful guide to calculating load ratings should help.

Prorack has changed! Tell me more?

The company that's always brought you simple, reliable, great value rack solutions now has a fresh, modern look. You're going to love it! Click here to learn more.

Can I fit a rooftop tent to my Prorack roof racks?

Maybe, but not all roof rack fitting types are suitable for rooftop tents. Click here to learn more.