Title: Good trimmer, bad trimmer head
Product review: I bought a Ryobi with this same head some time ago and have used it sparingly. After putting less than three tanks of gas through it, there was a grinding noise from the head and it stopped spinning seconds later. I took it apart to see what happened and the two gears, that provide the 45 drive, had their teeth ground off and the grease packed around them was gritty with metal particles. It looked like a well designed unit, with four ball bearings to support the two shafts, but the gears were not up to the task. Don't they life-test this stuff before marketing it? It seems I'm not the only one who has had this problem.
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