Rather than mess around with chemicals I’d take that frameset to Winston Vaz to get the seatpost out. He’ll torch the seat tube cluster but will not cost you much and he has a very quick turnaround
@MCamb started
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Rather than mess around with chemicals I’d take that frameset to Winston Vaz to get the seatpost out. He’ll torch the seat tube cluster but will not cost you much and he has a very quick turnaround