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@colm
+
good idea/bad idea?
the seatpost head is for Cervelo frames, not sure of the insert diameter. a stainless steel tube with 2mm walls should be strong enough. I want to make a 24mm seatpost.
I could also shave .5mm off the walls of a kalloy 25mm. not sure how those forged heads are bonded, maybe its possible to remove with heat and reuse in a different post.
buy cheap large diameter seatpost and cut off the top with 50mm of post, bond that to tube inserted inside it. it might not look nice depending on the clamp design.
Ive a few other ideas, my goal is to have the cost below 40euro, ideally 20euro.