Or let them be mounted together! And you will have the top of the Thule ProBar free for your load. You mount each accessory in just a few seconds. Just slide it in and lock in place. SKU No: 391. Feet compatibility: Use with Thule Rapid System 751, 753, 775, 757, 750 and Thule Gutter Foot 9512, 9522, 9531.
If you want a very tough and useful roof bar this is the choice! I sat in the middle of the bar when supported at each end and didn't see any movement in the bar. I'm 84kg.