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Rhino-Rack Universal Pioneer Platform Rack for Crossbars - 48" Long x 38" Wide - Aluminum

Rhino-Rack Universal Pioneer Platform Rack for Crossbars - 48" Long x 38" Wide - Aluminum

Item # RR42114BF

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Our Price: $480.60

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Roof Basket

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Shipping Weight: 31 lbs

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RR42114BF - Aluminum Rhino Rack Cargo Tray
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Product Images

In Use/Installed

  • Rhino Rack
  • Cargo Tray
  • Small Capacity
  • Square Bars
  • Round Bars
  • Factory Bars
  • Aero Bars
  • Elliptical Bars
  • Short Length
  • Aluminum
  • Black
Built for off-road use, this platform rack's large, flat surface accommodates loads of all shapes and sizes. Mounts to your existing roof rack crossbars. Compatible with many Rhino-Rack accessories. Lowest Prices for the best roof basket from Rhino Rack. Rhino-Rack Universal Pioneer Platform Rack for Crossbars - 48" Long x 38" Wide - Aluminum part number RR42114BF can be ordered online at or call 800-298-8924 for expert service.

  • All Info
  • Reviews (15)
  • Q & A (15)
  • Videos (2)
  • Photos
  • Why etrailer?

Rhino Rack Roof Basket - RR42114BF

Built for off-road use, this platform rack's large, flat surface accommodates loads of all shapes and sizes. Mounts to your existing roof rack crossbars. Compatible with many Rhino-Rack accessories.


  • Universal platform mounts to your roof rack crossbars to let you carry cargo and accessories
    • Not compatible with Rhino-Rack Heavy Duty crossbars
  • Large, flat surface accommodates more diverse loads than traditional crossbars or roof baskets
    • Perfect for tailgating, road trips, and overlanding - a great fit for any outdoor lifestyle
  • Integrated channels accommodate various off-road and traditional roof rack accessories (all sold separately)
    • Compatible with rail systems, awnings, light brackets, shovel holders, spare tire carriers, and more
    • Available accessory bars allow kayak carriers, cargo boxes, and other roof rack gear to be mounted
  • Low-profile, aerodynamic design reduces wind noise and drag
  • Rugged construction designed for off-road use and tested for Australian conditions
    • Aluminum frame and reinforced nylon connectors are powder coated for durability
  • Easy installation on roof rack crossbars with universal mounting hardware
  • Assembly required


  • Application: round, square, aero, elliptical, and most factory crossbars
  • Quantity: 1 platform
  • Dimensions: 48-3/8" long x 37-1/2" wide x 1-1/2" high
  • Weight: 32 lbs
  • 5-Year limited warranty

Note: Load capacity of your roof rack is divided by 1.5 when you are driving off-road.

42114BF Rhino Rack Pioneer Platform Rack - 48" Long x 38" Wide - Universal Mount

RR42114BF Installation InstructionsInstallation Details RR42114BF Installation instructions

Video of Rhino-Rack Universal Pioneer Platform Rack for Crossbars - 48" Long x 38" Wide - Aluminum

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Rhino-Rack Pioneer Platform Review

Customer Reviews

Rhino-Rack Universal Pioneer Platform Rack for Crossbars - 48" Long x 38" Wide - Aluminum - RR42114BF

Average Customer Rating:  4.8 out of 5 stars   (15 Customer Reviews)

Built for off-road use, this platform rack's large, flat surface accommodates loads of all shapes and sizes. Mounts to your existing roof rack crossbars. Compatible with many Rhino-Rack accessories.

- RR42104BF


Review from a similar Rhino Rack Pioneer in Roof Basket

This rack is great very sturdy and not difficult to assemble at all. The box it arrived in was absolutely destroyed with parts of the rack hanging out. Yet somehow nothing was missing or damaged. Which goes to show how tough the parts are that this rack is made out of. 500394

- RR42102BF


Review from a similar Rhino Rack Pioneer in Roof Basket

Fantastic platform for overland/offroad use. Love all the accessories Rhino offers and the easy to use track system. Worked out great! 382524

- JA9052


Review from a similar Rhino Rack Pioneer in Roof Basket

Great roof rack, very sturdy and easy to assemble. I have it on my second truck. E-Trailer always supports their products with exceptional service. 528413

- JA8547


Review from a similar Rhino Rack Pioneer in Roof Basket

One year review. The Pioneer Platform Rack with Backbone shows no sign of aging, deterioration, or other. Two shovels, High Lift jack and four Maxtrax permanently. The mounting accessories are rock solid. No roof leaks, gaskets working well. Great product. 516824

- JA8200


Review from a similar Rhino Rack Pioneer in Roof Basket

Rhino rack pioneer platform JA8200 for Land Cruiser 80 Series. Awesome product, aluminum high build quality, low profile and round edge design that matches well with 80 Series's curvy line. I decided on this rack for #1 functional reason, "fitting into my garage" after my rig's been lift and upsized tires. #2 reason is aesthetics fitting the LC80. ARB was too high on profile, other one piece design was too bulky for shipping. Great product. The only minor issue I had was the 80 Series has a bit curvature (~1/4") on rain gutter, with highest point at the middle area. This requires a bit adjusting/playing with foot positioning and use of shimming. eTrailer customer service was great, with Bryan sent me the missing part once notified. Great place to buy with free shipping. 555298

- JA8548


Review from a similar Rhino Rack Pioneer in Roof Basket

If you're looking for a tray/platform roof rack this should be it. Works and looks great. Very versatile and useful. I plan to carry kayaks and numerous camping/tailgating equipment with this platform. The install took a while but is well worth it. Also, shipping was longer than estimated but I was updated several times by etrailer about the shipment. 368428

- JA9016


Review from a similar Rhino Rack Pioneer in Roof Basket

The rhino rack pioneer setup with the backbone mount is a fantastic roof rack system. 471802

- RR42104BF


Review from a similar Rhino Rack Pioneer in Roof Basket

I installed this on a '99 Lexus LX470 (Toyota Land Cruiser 100 series). I have had 0 issues with this rack and the options are seemingly endless. Here is what I've had mounted to this rack: 1- Black Oak LED 40" light bar using Rhino Rack brackets 2- Max Trax recovery treads 3- Jerry Can 4- Mountain bike - had to spend 100 on correct rail/fork mount, but it works flawlessly 5- Oz Tent Foxwing awning - used Rhino Rack Foxwing brackets 6- Shovel / Hi-lift jack dual brackets - only had shovel mounted 7- Tepui Roof Top Tent - Kukenam Ruggedized - used Eezi Awn K9 brackets and made it super easy to mount. My ONLY complaint is that for a rack this expensive (all racks are expensive) I wish they would rivet a metal "RHINO RACK" logo to the product. The decals start peeling after a short time and makes a really great quality rack look cheap. I will also add this note: Add-ons and all the extras get really expensive. It's like stepping into vacuum for your money. Once you get over the initial investment, you've only just begun. Now, you've got to mount things to it and that's where you really have to PLAN IT OUT AHEAD OF TIME. You need to have a game plan of what you want to do with it, otherwise you will have a boat load of bolts/brackets/clamps etc. that you end up not using. There are usually more than one way of getting something attached. So, ask yourself if you really need that 100.00 bracket or if a ratchet strap will do the same thing. Also, don't get overcome by the "coolness" factor. Do you REALLY need that Hi-lift jack, or do you just want to keep up with all the Jeepsters out there. If you take that approach, you'll be ahead of the game. I deducted one star for the decals and for all the accessories being so overly expensive....but they DO WORK REALLY WELL. This is not a mark on Etrailer. Etrailer is AAA+ Their customer service is top notch and have always provided me with great communication and service. 519915

- JA9084


Review from a similar Rhino Rack Pioneer in Roof Basket

This roof rack is very well made and easy to put together. A few of my friends have purchased this same rack for their rigs. Very universal. 502043

- RR42101BF


Review from a similar Rhino Rack Pioneer in Roof Basket

Great quality, don’t over tighten, easy to be creative with it, long assembly timeline 606776

- RR42115BF


Review from a similar Rhino Rack Pioneer in Roof Basket

Excellent product, feels solid and sturdy. Installed on top of Yakima Core bars on a Snugtop camper shell. Plan to use it to store things when I need to sleep in the shell and carry lighter things during travel. Even better customer service. I took my time putting the item together, which was missing some hardware; was super easy to just reply to e-mails sent by etrailer staff and got it resolved to satisfaction without any difficulties. Thanks Dena and Carol C. 599281

- RR42109BF


Review from a similar Rhino Rack Pioneer in Roof Basket

This rack is super solid. Took about an hour to put it together and another hour to mount it on my truck. Clear instructions and very easy to install yourself with even a basic skill set. Etrailer got it to me in 3 days for free! Can’t say enough about the service and the prices from etrailer. 599244

- RR42101BF


Review from a similar Rhino Rack Pioneer in Roof Basket

Staff was very helpful with my order. Wonderful customer service experience. 593470

- JA9965


Review from a similar Rhino Rack Pioneer in Roof Basket

Awesome rack! Solid functionality and sharp looking on my 4Runner. Only downside is lots of parts and pieces/screws/bolts/washers to manage to put together...worth it in the end, however. Price and service from etrailer also could not be beat, and I did my research! Thank you all around. 593032

- JA9735


Review from a similar Rhino Rack Pioneer in Roof Basket

Let me start off by saying I am new to roof racks. I originally had crossbars and Yakima basket. Nothing wrong with tha set up, I just wanted something more low profile. I searched around and came across my current Rhino Pioneer platform. So far I like the way it looks and I like that it is very versitile. There are many add ons you can purchase, which is pretty awesome. I wanted this style rack for not only a low profile look but for the wide space functuality of having the entire roof of my jeep at my disposal. So far, I have strapped my snowboard bag ontop and hauled a few items from the hardware store. I recently purchased the side rails for added security to my luggage. I hope that down the line I will get an opportunity to purchase some add ons and use it's versitility a bit more. While I believe it is a good platform, there are things I personally did not like. 1. Cost, with the towers that mount to the rails on my jeep, this platform was close to $800 on sale. 2. All accessories and or add on are pretty pricey themselves. You can easily spend an additional 1k on buying accessories for this rack. 3. Instructions were very poorly written. The pictures were badly illustrated in my opinion and they did not specify certain parts; which set of towers went in the front and which ones went in the back. 4. I did not like that while my rack was for my vehicle, I still had to drill extra holes so that the spaci g for the mounting towers were correct. Being the rack is universal, I do get it, but still. 5. Wind noise SUCKS! And the faring for this is pretty ugly. Nonetheless the product is well built, versitile and looks great. You do get what you pay for... I hope. etrailer customer service was fantastic as I did call them a few times, Thank you! As of now, for the most part I am happy with this rack. Time will tell if the cost is worth the item. 591802


Ask the Experts about this Rhino Rack Roof Basket
Do you have a question about this Roof Basket?

  • How to Secure Pioneer Platform Tray to Rhino Rack Vortex Crossbars
  • To secure the Rhino Rack Pioneer Platform # RR42114BF or # RR42115BF to Rhino Rack Vortex crossbars all you need is the install hardware kit # RR43214-2 and you'd be set.
    view full answer...

  • Will the Rhino-Rack Pioneer Platform # RR42114BF Fit Thule AeroBlade Crossbars
  • Yes, the Rhino-Rack Pioneer Platform # RR42114BF is compatible with the Thule AeroBlade roof rack crossbars. I have included a link to a video review of the platform for you.
    view full answer...

  • Will Rhino Rack Platform Pioneer Work With Thule Cross Bars on Nissan Frontier?
  • There are a pair of Rhino Rack Pioneer Platform cargo trays which will work with the square Thule crossbars on your Nissan Frontier. The # RR42115BF is 58" long x 47" wide while the # RR42114BF is 48" long x 38" wide. The Rhino Rack Steel Mesh Cargo Tray RRRPBL will also work, as you mentioned, and attaches to square crossbars with Fit Kit # MUBK. Unfortunately these cargo trays are not compatible with bike racks such as the Thule UpRide # TH599000T. I've left video reviews of these...
    view full answer...

  • Rhino Rack Universal Pioneed Platform Direct Mount To Vortex Crossbars Using T-Slots
  • You can connect the Rhino-Rack Pioneer Platform - Universal Mount - 48" Long x 38" Wide # RR42114BF or the larger # RR42115BF using the T-bolts. You do not need to use the universal bar clamps and will not use all of the included pieces for this installation method. See the attached installation details page 5.
    view full answer...

  • Can the Rhino-Rack Pioneer Platform Be Installed on Aero Crossbars
  • In order to attach the Rhino-Rack Pioneer Platform to a set of crossbars you would need the kit that comes with universal mounts which is part # RR42114BF for 48" long x 37" wide or part # RR42115BF for 58" long x 47" wide. This system attaches to round, square, aero, elliptical, and most factory crossbars. This includes Thule AeroBlade crossbars however, they do not make a kit with AeroBlade crossbars that will fit your 2018 Jeep JL Wrangler Unlimited. Instead, I recommend using the...
    view full answer...

  • Rhino-Rack Rooftop Cargo Tray for Installation on Yakima Round Bar Rack System
  • The two sizes of Rhino-Rack Pioneer rooftop cargo trays, parts # RR42114BF (48 x 38) and # RR42115BF (58 x 47), will fit on round Yakima roof rack crossbars. These Rhino-Rack brand rooftop tray-style carriers are shown on the linked page. Both work on round bars thanks to included universal-fit hardware. You will need cargo tie downs to secure your cargo to the tray. We offer all sort of tie down straps to keep your cargo safely secured to the tray. I linked our page for cam-buckle strap...
    view full answer...

  • How Much Height Does Rhino-Rack Pioneer Platform # RR42114BF Add to Roof Rack
  • When installed the Rhino-Rack Pioneer Platform # RR42114BF that you referenced will add 1-1/2 inches to the height of your roof rack.
    view full answer...

  • Rhino Rack Roof Cargo Basket that Has Railing that Runs Around Entire Basket
  • I have a similar roof basket I can recommend, but the part # RR42114BF cannot have side rails added to it. The Rhino Rack part # RMCB02 is similar sized but has a railing that runs around the entire basket plus a fairing on the front to divert air over the basket. I attached a review video for this basket for you to check out as well.
    view full answer...

  • Recommended Roof Rack Track System for a Fiberglass Truck Topper on a 2019 Toyota Tundra
  • The adjustable roof rack systems are a very popular option for fiberglass truck toppers. They will allow for you to carry a variety of different items such as a cargo box, kayak carrier, or in your case a cargo tray. The best system we have for this is the Rhino-Rack Roof Rack Track System part # Y02-480B. This kit includes a set of tracks, two crossbars, two mounting feet, and everything else you will need to install the system on your truck topper. The reason I recommend this system...
    view full answer...

  • Rack-Mountable Cargo Tray Options for Installation on Round Yakima Crossbars
  • The Rhino-Rack Pioneer Platform Cargo Rack # JA8200 and similar items are not intended for installation on an aftermarket roof rack but we do have rack-mountable options for you. The linked page will show you all cargo baskets and cargo trays that will mount nicely on your round Yakima crossbars. The options include the Rhino-Rack Steel Mesh Cargo Basket # RLBM-U which measures 48 x 38, and the same-size Pioneer Platform carrier # RR42114BF.
    view full answer...

  • 3 Inch Wide U-Bolt Availability
  • If you can provide some more information as to what you are trying to accomplish I may be able to provide a better recommendation for you but if not we have a few u-bolts which are close to 3" wide. The CE Smith U-Bolt part # CE15283GA which is 3-13/16" long x 3-1/16" wide, the CE Smith U-Bolt part # CE15252A which is 3" long x 3-1/8" wide, and the Heavy-Duty Crossbar Fit Kit part # RUBK-MF which is more similar to what you were looking at and contains u-bolts that are 3-5/32" long x 2-5/8"...
    view full answer...

  • Comparing the Rhino-Rack Mounting Brackets RR43173 and RR43174 for a 2016 Toyota Prius
  • The difference between the Rhino-Rack Mounting Brackets # RR43173 and # RR43174 is that the former is meant to be mounted on a Pioneer Platform Rack like part # RR42114BF while the latter is meant to me mounted on Rhino-Rack Vortex Aero bars like part # RRRS710B or # RRRS710 for your 2016 Toyota Prius. If the OEM crossbars that you have on your Prius have the T-Slots then the second option may work for you. I went to the warehouse and found that the pieces that fit into the T-Slot measure...
    view full answer...

  • Can Replacement Crossbar Mounting Bracket Kit for Pioneer Platform Be Used with 72x56 Inch Platform
  • The Replacement Crossbar Mounting Bracket Kit for Rhino-Rack Universal Pioneer Platforms # RR43214-2 will work for round, square, aero, elliptical and most factory crossbars. It is not for use with the full-size pioneer platforms according to the manufacturer. It is only for use with the 48 inch and 58 inch long platforms like # RR42115BF or # RR42114BF which already come with that hardware. The 72 x 56 inch platform is only a custom fit for certain vehicles utilizing specific hardware...
    view full answer...

  • Rhino Rack Pioneer Platform RR42114BF Weight Capacity
  • Rhino Rack states that the capacity of the Pioneer Platform Rack # RR42114BF is the weight capacity of the vehicle roof it is installed in minus the weight of the platform. The Pioneer Platform weighs 12.5 kg or 27-1/2 lbs so you'd need to subtract that from your roof capacity to know what the overall capacity is.
    view full answer...

  • How to Mount a Thule Ski Rack on the Rhino-Rack Pioneer Platform # RR42114BF
  • Yes, you can mount a Thule ski rack, like the SnowPack # TH7326, to the Rhino-Rack Pioneer Platform # RR42114BF by using accessory bars. These come in a 24" length # RR43232B or a 48" length # RR43137B. The 48" bars will be about 10" wider than the platform itself so if the mounting locations on your Thule ski rack are adjustable or mount within 24" I recommend going with the shorter option.
    view full answer...

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Info for this part was:

Video by:
Andrew K
Edited by:
Tyler C
Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
Adam R
Video Edited:
Kathleen M
Test Fit:
Hayden R
Photos by:
Zach O
Written by:
Daron K
Installed by:
Savanna B
Video by:
Zach D
Updated by:
Alex H

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