This thing is my nemesis at the moment. I hurt my back last weekend loading this into the car and haven’t been functional until today, when I tried to unload it and put it back together....
Every now and then I roll the dice and make an offer on a bike sight unseen. I was REALLY worried when I saw this sleeve bolted to the seatpost. I figured the post would be stuck but I loosened the (spray painted yellow) binder bolt and it popped right out...