We had problems with out plastic tube as well, but when we took our sail to Schurr sails in Pensacola to fix the tear (which as it turns out was due to a sudden break in the outhaul line, not necessarily sheeting) he noticed that the tube was cracked in a few spots. He fixed the areas somehow without replacing the whole bolt rope. Replacing the whole bolt rope would be pricey and depending on how bad yours is, is probably not necessary. The whole repair, including the tear, came out to 125.