Just spotted this, a guy using liquid nitrogen to freeze/shrink seatpost on the basis that alu shrinks more than the steel frame material. Not sure how easy it is to get a hold of LN? https://www.crazyguyonabike.com/forum/board/message/?o=1mr&thread_id=792262&page=1&nested=0&v=h
@TheShipwright started
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Just spotted this, a guy using liquid nitrogen to freeze/shrink seatpost on the basis that alu shrinks more than the steel frame material. Not sure how easy it is to get a hold of LN?
https://www.crazyguyonabike.com/forum/board/message/?o=1mr&thread_id=792262&page=1&nested=0&v=h