[quote=Dogboy]The pvc track slide was specifically designed by Hobie for the SC. The advantage is that they can easily be stored in the hulls or cat cabin on the 21 sport cruiser so you can carry them on the boat while sailing and use when you get to your destination. This sounds like what you want to do. Carrying a full set of wheels on the boat would be very cumbersome when sailing. Otherwise, cat trax are great for wheeling the boat around on the beach.
You may want to post your question on the Hobie forum. The moderator, Matt Miller, frequently answers technical questions and he designed much of the 21SC, so likely can provide insight.
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