they're made to be mounted torwards the back of your rails and your coolers dont go back that far. if you wanted them more in the middle of your board i would look to see how far in from the edge of your rail the coolers are. you can remove them by drilling out the rivots.
there like tunnel supports look on the rox ones how they come up and rivet on thus making it stronger. fisbones are smaller and only add strenght but dont allow grip thats why rox are great they offer both added strenght and grip. just my .02
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