Seatpost As Stem On Brompton
I want to replace the top section of my Brompton stem with a suspension seatpost. Does anyone know where suitable posts can be found please? It needs to be the type which tightens using a central expander or wedge, like a quill stem (like the seatpins on later Vitus 979 frames.) Steve Parry, who I think came up with this mod, used a Post Moderne, but I don't think that model is made any more. Any suggestions much appreciated.
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