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Cat Trax Sailboat Dolly Axle bushing & bumper — image 1
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Cat Trax Sailboat Dolly Axle bushing & bumper

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Simple bushing to replace the original, bumper that slides on the axle

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I bought a Cat Trax axle/dolly to move my Hobie Wave sailboat around.  The original axle bushing was way more complicated than I thought it needed to be.  So I designed a new one as a simple cylinder.  

The end cap/bumpers were cracked and weathered. so I designed new ones that slide into the correct position.  

I printed both in ABS, for the strength and wear aspect.