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Availability of Rhino-Rack Crossbars for BAKFlip MX4 With Rails on 2023 Chevy Colorado  

Published 01/22/2026

Question:

Hello, Im wondering if there is any rhino rack product that fits on a t-slot tonneau cover? Looking at: BAKFlip MX4 TS Hard Folding Tonneau Cover w/ T-Slot Rails

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Expert Reply:

Hey Dustin! It is possible to add a Rhino-Rack crossbars to the BAKFlip MX4 Hard Tonneau Cover # BAK83AV. The Rhino-Rack Quick Mount Legs for Vortex Aero Crossbars # RRRLT600 will fit in the tracks on the rails and then you can choose your crossbars.

A ladder rack like the Yakima OutPost HD # Y01152-5855 uses 68" crossbars which are a pretty good fit on the Colorado. You might be able to use 65" bars like # RR85AG but I think the 71" Rhino-Rack Sportz Aero # RR25AG would be the best fit.

What will you be using the rack for?

expert reply by:
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Robin H
BAKFlip MX4
BAKFlip MX4
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Dustin V. profile picture

Dustin V.

1/22/2026

I'm looking to use this for carrying skis/snowboard or 2 bikes (probably heaviest). The reason I'm gravitating towards the Rhino Aero is the low profile and how easily the bars are removed so that I can fold the tonneau cover up when needed. For the 71" Rhino-Rack Sportz Aero # RR25AG is there a limit to how far inside the bars they can be mounted?

Robin H. profile picture
Etrailer Expert

Robin H.

1/22/2026

@DustinV the channel on the bottom is 11-3/4" long on either side. You can use that, the bar length, and the measurement on top of your bed rails to get a good idea what the best fit would be between the # RR25AG and # RR85AG.

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