Ladder Rack For 2021 GMC Sierra 1500 5-3/4 Foot Bed With Bak MX4 Tonneau & Roof Rack For Crew Cab  

Question:

Expert Reply:

Okay, so there's a lot to go over here, and let's go ahead and start with the ladder rack for your 2021 GMC Sierra 1500 with a 5-3/4 foot short bed. There is an option that will work with your BAKFlip MX4, though not an adjustable ladder rack. The Yakima option you mentioned won't work with that tonneau, and no rails that can be added (the Elevate has been discontinued due to quality issues). There is an option from Thule though with their sliding rack:

- Thule TracRac SR Sliding Truck Bed Ladder Rack # TH43002XT-782

This will fit your '21 Sierra 1500 with the MX4 and give you a way to carry whatever you need to haul either directly on top of the bars or via the rack's channels, which will allow you to mount accessories.

Then for a roof rack that fits your '21 GMC Sierra 1500 Crew Cab, I recommend going with Rhino-Rack. The reason for that is Rhino-Rack is truly the best value for a roof rack; the quality is the same (or higher) than similar brands, but at a better price point. Adding this rack to your truck means you get a durable, quiet roof rack at a more economical price than other options. The exact parts that fit are the following:

- Rhino-Rack Vortex Aero Crossbars # RRVA150S-2

- Rhino-Rack 2500 Series Legs # RRRLKVA

- Custom DK Fit Kit # DK427

I have added some links below to video reviews for you to check out as well if you'd like to take a look.

expert reply by: Kyle S

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