The Problem Solvers Seatpost Shim is what you need when your seatpost is a little too small-diameter to fit tightly into your frame. It's made of light, durable aluminum and has a lip on the top so it won't slide down inside the frame during installation.
|Option||Barcode||Manufacturer's Part Number||Vendor Number|
|2.8mm shim, 27.2 seatpost to 30.0 frame||00708752011502||ST0228||QBP-ST0228|
|3.0mm shim, 27.2 seatpost to 30.2 frame||00708752011519||ST0230||QBP-ST0230|
|4.4mm shim, 27.2 seatpost to 31.6 frame||00708752012875||ST0244||QBP-ST0244|
|4.6mm shim, 27.2 seatpost to 31.8 frame||00708752012882||ST0246||QBP-ST0246|
|0.7mm shim, 30.9 seatpost to 31.6 frame||00708752077386||ST0250||QBP-ST0250|