My Flak 2.0 XL sunglasses have been running great for a few years. The earbuds started to get very sticky to the point where they picked up dirt and lint whenever placed anywhere. I ordered these spare parts and one day I got wet with myself. Some water and dish soap, they were pretty easy to install. My seven year old Oakleys look brand new again. It was only $2 more than some spare parts that didn't get good reviews. I would say that in this case it is worth buying original parts. I'll probably be more careful and put my sunglasses in a proper case when I'm in the truck as I think the old earbuds finally come in handy when I leave them in the parked car in the sun and in the intense heat.
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