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Rhino-Rack Nautic 581 Rear Loading Kayak Carrier - Saddle Style - Rear Loading - Channel Mount

Rhino-Rack Nautic 581 Rear Loading Kayak Carrier - Saddle Style - Rear Loading - Channel Mount

Item # RR581
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Our Price: $169.00
You Save: $55.99
Watersport Carriers
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Shipping Weight: 5 lbs
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Product Expert Kathleen M

Is this right For you? Product Expert Kathleen M says:

Yes, if you:

  • Leave the rack on your roof while you’re out paddling and worry about it getting snatched
  • Struggle to lift your boat from the side of your vehicle and find it easier to load from the rear where you can rest one end and then push
  • Prefer the clean look of a channel-mounted carrier on your roof

No, if you:

  • Have a roof rack without a channel in the top of the crossbars
Kayak carrier lets you load and carry 1 kayak on your roof rack crossbars. Fabric covers on rear saddles allow easy loading from the back of the vehicle. High-grip saddles hold your kayak securely in place. Mounts to most crossbars with C-channels. Lowest Prices for the best watersport carriers from Rhino Rack. Rhino-Rack Nautic 581 Rear Loading Kayak Carrier - Saddle Style - Rear Loading - Channel Mount part number RR581 can be ordered online at or call 800-298-1624 for expert service.
  • All Info
  • Reviews (37)
  • Q & A (0)
  • Photos
  • Used (1)
  • Why etrailer?

Rhino Rack Watersport Carriers - RR581

  • Kayak
  • Roof Mount Carrier
  • Saddle-Style
  • Aero Bars
  • Elliptical Bars
  • Rhino Rack
  • Clamp On
  • Rear Loading
  • No Load Assist

Kayak carrier lets you load and carry 1 kayak on your roof rack crossbars. Fabric covers on rear saddles allow easy loading from the back of the vehicle. High-grip saddles hold your kayak securely in place. Mounts to most crossbars with C-channels.


  • 4 Saddle-style cradles let you transport 1 kayak hull side down on your roof rack crossbars
    • Rhino-Rack Heavy-Duty crossbars require longer bolts (HD-FK1 - sold separately) to install
  • Spring-loaded rear cradles let 1 person easily load a kayak from the rear of a vehicle
    • Felt pads on cradles let kayak slide up and onto your crossbars
    • Cradle heads pivot to accommodate the various widths of the kayak as it's loaded
  • Rubber-padded front cradles with 3 flexible joints securely grip your hull
    • Soft rubber pads protect kayak hull from scratches and abrasions
  • 2 Load straps with a padded cam buckles secure kayak to your roof rack
  • 2 Bow/stern tie-downs anchor kayak to your vehicle
  • Easy installation on most crossbars with C-channels
  • UV-resistant, glass-reinforced nylon saddles and stainless steel hardware ensure durability
  • Built-in security hardware deters theft - leg bolts require special tool (included) to loosen


  • Application: most crossbars with top channels
  • Minimum crossbar spread: 23-9/16"
  • Saddle surface area: 7-7/8" x 2-15/16"
  • Tie-down strap length: 9-3/4'
  • Bow/stern rope length: 18'
  • 5-Year limited warranty

581 Rhino Rack Nautic Roof-Mounted Kayak Carrier with Tie-Downs - Rear Loading - C-Channel Mounts

Installation Details RR581 Installation instructions

Customer Reviews

Rhino-Rack Nautic 581 Rear Loading Kayak Carrier - Saddle Style - Rear Loading - Channel Mount - RR581

Average Customer Rating:  4.6 out of 5 stars   (37 Customer Reviews)

Kayak carrier lets you load and carry 1 kayak on your roof rack crossbars. Fabric covers on rear saddles allow easy loading from the back of the vehicle. High-grip saddles hold your kayak securely in place. Mounts to most crossbars with C-channels.

- RR581

Works great on my Ram truck. I pull a 5th wheel RV so I can’t use the truck bed for my kayaks. I bought the Rhino Rack roof rack from etrailer, as well. It is very easy to slide the kayak onto the roof with this carrier. Then I slide my second kayak on top of the first one. It is easy to do by myself, which is what I was looking for. I’d also like to give a shout-out to etrailer for their great customer service! They had both of these items in stock, and actually beat the price on Amazon.

Perfect. We RV full time and we’ve driven thousands of miles with 2 kayaks on the racks. We have had zero issues with the racks and they still look like new. I can install or remove the racks in less than 10 minutes.
Enrica - 07/13/2021

- RR581

Buying from etrailer is the ONLY way to go. The customer service is excellent from start to finish and afterwards if you need. This rack is a simple install and adjusts to many types of kayaks. Much less expensive then the others and high quality. I just completed a trip through a bad storm with no issues. So easy for me to load and secure

I still love it!
Lynne - 08/22/2021

- RR581

Great item. Holds Kayaks excellently. Easy install. And trailer continues to impress with excellent customer service. Items arrived sooner then estimated!

Have used it numerous times and works great. Easy to load and unload. We have a fifth wheel RV and this allows us to take our Kayaks where ever we go!
Rick - 05/14/2022

- RR581

Quality build and design. However had to grind the T-bolts to get them to fit in my Thule TracRac channels. Tight otherwise - have to use a small rubber mallet to move the saddles into position. Rear sliders only pivot side to side - not front to back. Cannot find a position where they make full contact on my OldTown Loon. Maybe strapping down tight in the hot sun will 'fire form' them. Tie down straps with rubber coated cam buckles are a nice touch.

- RR581

I recently purchased the Rhino rack below with these boat supports: Rhino-Rack Nautic 581 Rear Loading Kayak Carrier - Saddle Style - Rear Loading - Channel Mount Item # RR581 Also, I attached a Yakima Jaylow kayak carrier, all to a 2019 Toyota Highlander Hybrid. On the 54 inch aero bars, I was able to carry a Hobie Compass Duo kayak (35" beam, carried flat on the Rhino pads) and West Marine Pompano 120 (28" beam, propped up as shown on the Jaylow racks). To have enough width, the Jaylows and the Rhino pads are mounted as far out as they can go, and the straps are looped back under the rack pillars on the car. The bow and stern were secured with hood loops on each side (front diagonal straps on the Hobie), on the front placed under the hood where shown (this is the only place I could find a good metal-metal contact under the hood, and no electronics in the way), and in the back, tucked under the rear door. We did a 500 mile round trip to the beach and back, with no problems at all with the mounts. Little noise, no movement. My only recommendation is to figure out some kind of load assist for the large tandem kayak, to make it easier if one of the folks loading is under 5'8" in height or so. We worked it out, but only after a few failed attempts (especially when the boat is wet, and loaders are tired). Carol C at etrailer provided thoughtful, expert, and knowledgeable tech support for our purchase. Many thanks!

- RR581

The folks at etrailer helped walk me through exactly which parts I needed for a saddle style kayak rack for my 2013 Taurus. I couldn't have ordered it without the help of customer service. In addition, the video for installation was also helpful, although I did need to read the directions thoroughly as well. Love my rack!

- RR581

Sturdy, hasn’t been removed from my car, I use it for a paddle board and a canoe, no issues. Looks very sleek. Easy install as well.

- RR581

This is a great rack system, very easy to install

- RR581

Kayak loading and unloading are a breeze. Perfect for my kayak.

- RR581

Kayak racks were very easy to install, now I just need to load the kayak and see how they hold up.

No issues yet.
Robert - 09/06/2021

- RR581

I've been using this product for the past year to carry my 10 foot pelican kayak, and is has done the job without any problems. The pads and provided tie-downs hold the kayak securely. Its easy to load the kayak by myself by sliding the kayak onto the holders from the rear. I also appreciate that it comes with a lockable plastic cover over the wing nut to deter would be thieves. This is a great product, and a great value compared to its competitors.

Its been another year, and the carrier is still working great. When you get the holders in the right position, the kayak stays secure
Brad F - 08/03/2018

- RR581

Well made product,fast shipping

- RR581

Bought a Rhino Rack cross bar and kayak carrier. Contacted etrailer by phone to confirm the fit to my vehicle. Very helpful individual who let me know what was in stock. Both items were delivered in one week. Easily installed with very clear directions. Videos instructions on the web site are available and helpful. Insalled the items and used them the next day to haul my kayak on a 700 mile round trip with no issues. I would certainly use etrailer again.

- RR581

I use the RR581 to carry my 11.5', 75 lb., kayak. It's quite easy to slide the kayak into the carrier with the aid of a boatroller that attaches to the car with suction cups. The kayak is held on the carrier with four straps (included with the carrier). I'm quite happy with this purchase.

- RR581

Racks are similar to the Thule glide-n-set, which is probably one of the best saddle designs for the Native Ultimates that I like to paddle. I like the locking covers and adjustments. Makes things easy on the Rhino Vortex bars.

- RR581

A year later and this kit is working fine. If you have a sit-on-top Kayak, these don't work very well, unless you really crank down the tension on the straps...not good for the kayak. We wound up flipping the kayak over and carrying it upside down. This seems to work well, but would be MUCH better with two of the rear felt holders instead of the front rubber holder. The felt holders go nice and snug up against the side of the kayak. I'd buy a second set of the rear holders, but Rhino doesn't sell just the rear holders.

- RR581

The rack itself is just perfect for my sport kayak. My only problem is I put it on a lifted jeep and I am too short to get it on without a huge struggle from the rear. I got a suction cup roller bar to put on the back window which really helped. I might have been better getting a side loader with a pull out cheater bar like I had when I had a sea kayak. The product itself is just fine..... it’s me.

- RR581

I always get great, fast service from etrailer. They are a great outfit, and I know I can trust that the products I receive will be of good quality.

- RR581

Easy to install and great quality. Definitely a must for kayaks.

- RR581

Have yet to actually load a kayak on this, but install was fast and simple.

- RR581

Rhino rack 581 is a lot of bang-for-your-buck! Nicely put together. Easy installation.

- RR581

The product was as advertised and delivered promptly. It doesn't fit my kayak as well as I had hoped but it will work with the included straps.

- RR581

I had done some extensive research on the best products, and price for my vehicle. Made a call talked to Bill, he helped me figure out every thing I needed. Great a experience with Etrailer.

- RR581

Fast delivery ,well made ,would buy aga in

- RR581

Easy installation

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Used Picture for Rhino-Rack Nautic 581 Rear Loading Kayak Carrier - Saddle Style - Rear Loading - Channel Mount

Condition: Like New

Notes: May have damaged packaging or minor cosmetic blemishes.

Our Price: $128.95
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Info for this part was:

Employee Zack K
Video Edited:
Zack K
Employee Tyler C
Updated by:
Tyler C
Employee Kathleen M
Updated by:
Kathleen M
Employee Wilson B
Updated by:
Wilson B
Employee Alex H
Updated by:
Alex H
Employee Jameson C
Expert Research:
Jameson C
Employee Matthew K
Installed by:
Matthew K
Employee Dustin K
Video by:
Dustin K

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