I also have the 2007 guardian and purchased new string and cables from JBK Bowstrings in Maine for $80 TYD with an 18 month guarantee from date of delivery. I have been using them for almost a year, shooting around 100 + arrows a day. They have not stretched since I put them on. I marked the cams when I put them on and set the draw weight. One mans opinion but for the money they are as good as it gets.
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