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Someone was asking on the procedures on removing the Brompton seatpost bung (Pre-2018 version) earlier in the day. Its really a 3 simple steps procedure. Unscrew, pop and release!
The following explains:
Unscrew the bolt from the center of the bung
After the screw had been unscrewed, lightly tag the bolt in with the necessary tool.
Once the bolt had been tapped in, the “expanded” had been pushed in and the bung should be able to be removed with easy.
