The part number for the keys is 572184. I had a very hard crash that damaged they keys, my saddle would rotate about 4 inches to the left. I've ordered the keys from Trek, but they are on back order at this time. I flipped my keys over, applied new grease, and reassembled the post. The problem is gone, although there is still a small bit of play. It will at least get me by till the keys are off back order.
Joined July 6, 2018
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