My edc for about the past year has been the Avalanche (love it and use it lots). Recently, I noticed the torsion spring was rattling a bit. Whether recommended or not (perhaps it voids the warranty, I don't know), I disassembled the knive. I was interested to find that the spring is housed in a recess on the backside of the G10 handles and held in place by the liner. Anyway, that recess is packed with grease. On my knife, through heavy use, the spring had pushed the grease to the sides of the recess and, as a result, the spring would rattle from time to time. I regreased the recess, reassembled the knife, and no more rattle. But more in response to your original post, I saw no signs of wear whatsoever. In fact, given the ingeniously simple SpeedSafe design (which I now wish I had sketched), I really don't expect it to fail, in my lifetime anyway.
