The OpenSourceEV Parts Cargo Floor Riser fixes one of the most overlooked annoyances in the Rivian R1S cargo area. When the load floor is set to its upper position, it sits flush with the third row seats but slopes downward toward the rear of the vehicle. This three-piece kit corrects that slope and gives you a truly level load floor. Designed by Kelvin Lee, manufactured and supported by OpenSourceEV, and tested in Rivian vehicles.
Folds flat for easy storage when not in use. No tape, no adhesives, no permanent modifications.
Customers praised this cargo floor riser for creating a level cargo area, with reviews noting it "works perfectly" for dog crates and camping. The sturdy, foldable design features ventilation openings ideal for coolers. Most appreciate the quick shipping and excellent fit. Some suggest adding adhesive strips, as risers can slide when lifting the floor.
These things are great. I added some double-stick velcro to them and to the cargo area so that they would stay in place when raising and lowering the cargo area floor. Love having the flat and level cargo area (my 3rd rown is almost always down). Also leaves some extra space underneath. (BTW ... highly recommend adding long drawer pulls to the OEM cargo bin)
I was very stressed about the inability of the seats to fold flat when I purchased this vehicle. I travel with my dogs in a large crate in the back and was looking at what modification I could do to make this work. Luckily some internet and social media searching led me to this product. It works perfectly for my needs. Was shipped quickly and I am very happy with it. Only thing I woukd love to see would be a piece that went the length of the gap to keep dirt and sand from getting in the lower storage area(which I can't access with the crate set up anyway). Thank you for making this!
This worked perfectly. I used it to level the back of my Rivian for dog crates.
Quick shipment and works great. Having the level cargo compartment lid with openings that ventilate the lower compartment means I can run my Icecoo freezer underneath and not worry about overheating. Also useful when car camping in the Rivian for a nice level mattress base from head to toe.
arrived quickly. packaging excellent. fits perfectly. priced appropriately. happy with experience and product.
Works great. I love having the floor level and it leaves room for air to flow for the 12v cooler I use in the spare tire space. I added some Velcro strips to keep everything in place.
Nice
What a great product! This is well made, solid and does NOT move when the cargo floor is sitting on it. I use it to keep my dog crate level and it's perfect. It's also small enough to hide under the cargo floor when it's not needed but I find myself just leaving it there more often just to keep the cargo floor level.
work great so far. Level the floor nicely
Perfectly raises the rear cargo floor to be level with the two rows of golded down rear seats. We used the kit to make the back level for sleeping/camping for 4 days. Easy to figure out, strong, light weight, and folds up to store easily.
Great product and easy to install. I have the Canvasback cargo liners that are individual pieces that cover the back of the second row and the entire cargo area with the 3rd row down in my R1S with two large Ruffland Crates installed. These pieces installed just fine. No issue with having the Canvasback liner.
Fit perfectly, Does the job of leveling the cargo area
Very cool kit - easy setup and install. Only one recommendation - identify a way to keep them in place when lifting the cover to access items underneath. Otherwise, works as advertised!
The product does exactly what it is designed to do. I only wish that it had some adhesive strips to keep them in place. When you lift up the cover the product slides off.
When thinking of transporting our new puppy in my Rivian I wanted to ensure the floor was as flat as possible, so if there were accidents, nothing would flow down onto the carpet. This product is fantastic leveled out the back end and provided me piece of mind.
Great product to have for camping trips where we sleep in the back of the R1S. Very well made, and they're easy to fold and store away when not needed.
Gives a great flat load floor, sturdy design, folds up for easy storage. Seems pretty strong, haven’t had any issues with loading heavy items up on it. The very back flat center riser always topples over when accessing the under-trunk storage area, not sure how to prevent this, but it would be nice if it stayed put somehow. Not a big deal, either way, just a thought.
Love this dohickey. The Rivian may be the best car I've ever driven, but it’s not perfect. The rear cargo panel does not set flat. I have dogs that need a flat area in the cargo area for two large crates.
The Cargo Floor Riser is the perfect solution. The risers are simple, solid, and inconspicuous. The crates now rest on a solid, flat surface so the don't "rock" when we drive. The dogs are happy so I'm happy. This an elegant solution to a problem that could have been designed by Rivian in the first place.
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