Originally Posted by BurningCedar
I'm pretty sure the end-caps are sewn in on the JRB (I sold mine so I can't confirm this). In that case, the end-caps would define the maxium width of the spreader bar. So, no, you can't use wider spreader bars on a stock JRB.
You can of course remove the end caps (either rip the seams or simply cut it out); but in that case you might as well make your own bridge exactly to your specifications.
If you looked at the link in the second post it shows you how I modified the end caps to use a 36 inch spreader bar on both ends. Mule
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