JD, weight isn't the issue, fiberglass poles are usually not field repairable. I'm not saying you can't bend or break aluminum, but they can be fixed in the field-granted, I am talking about the typical Easton poles used in backpacking tents, not the ones in a family sized tent, but the principle is the same. Yes, the sleeve is a temporary fix, but that is the idea-a temporary fix that enables you to use the pole until the section can be replaced.

When a fiberglass pole snaps, they wind up looking like a broken stalk of celery or something similar and field fixes are very problematical.
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Don't get me started, you know how I get.