座管襯套

Swapped frames last month and didn't want to buy a whole new post, so this shim did the trick. The ultra-thin wall fit snugly with no wobble once torqued down.

I reused my old post on a new frame thanks to this shim, and it seated perfectly with no wobble. The ultra-thin spec is what makes it work, since the fit felt snug without any creaking on the first ride.

Swapped my old 27.2 post into a 30.9 frame with this shim and it seated perfectly, no creaking on the first gravel ride. The ultra-thin wall means it slips in without shaving the post or fighting the collar.