I have the Prinsu Pro rack installed and have added a few low cost accessories. They may be useful on other racks as well but you'll have to test them out yourself.
Marine grade nylon cleats/tiedowns. "Strength and service life are exactly the same as 316 stainless steel". 4-Pack for $23.
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Aluminum grab handles to help in climbing up on rear wheel or bumper to manage things on the rack. I had these on my 200 series for several years and they were great. $13 a pair versus the $66/pair at Frontrunner, $85/pair at RhinoRack, or the highway robbery of $195/pair at Prinsu.
Marine grade nylon cleats/tiedowns. "Strength and service life are exactly the same as 316 stainless steel". 4-Pack for $23.
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Aluminum grab handles to help in climbing up on rear wheel or bumper to manage things on the rack. I had these on my 200 series for several years and they were great. $13 a pair versus the $66/pair at Frontrunner, $85/pair at RhinoRack, or the highway robbery of $195/pair at Prinsu.