Will these what ?
Hello, Thank You for contacting Rhino Rack! The side loader you load from the side of the vehicle. As with the rear loader, you load from the rear of the vehicle.
these have been engineered to the grooves of the Rhino-Rack Crossbars. We would recommend you check out the 570 series
Yes. It comes with the hardwear that slide in the track and gets screwed down tight once you position them to fit your kayak. I loosely tightened them and then mounted the kayak to make final adjustments before tightening all the way.