Converting a Kayak Trailer w/ Bunks to Crossbars
Updated 07/22/2025 | Published 07/10/2025
Products Featured in This Question
Question:
We have a kayak trailer with 2 x 4 carpeted bunks to mount the kayak holders J cradles. We have never liked this set up as the cradles don’t fit well on the bunks, I am thinking of replacing the bunks with standard roof rack cross bars. Do you think it would work to use square 2.5” u bolts 2 per upright so 8 total to attach the cross bars to the upright towers on the trailer that currently support the bunks?
asked by: Tricia
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Expert Reply:
Hey Tricia, thanks for the pictures. I definitely think that would work. You're not far off from how the Malone EcoLight Sport Trailer item # MAL43FR is setup with what you're describing.
Are the bolt holes on the uprights spaced 2-1/2" apart? Our 2" Square U-Bolts item # SP01-160 fit bolt holes spaced 2-5/8" apart and require a hole 9/16" in diameter. These are designed for 2" square axles so they'll definitely lock down a set of square bars like the 79" Inno item # IN436L you were looking at.
Who manufactured your trailer?
Product Page this Question was Asked From
Inno Square Crossbars - Steel - Black - 71" Long - Qty 2
- Accessories and Parts
- Roof Rack
- Crossbars
- 71 Inch Bar Space
- Square Bars
- 2 Bars
- Inno
more information >
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Tricia
7/18/2025
Thank you! This is very helpful. Our kayak was made by “Kayak Kayak” in Holland Michigan. I believe they no longer make trailers and are now focused entirely on their rental business.