Removing stuck bicycle seatpost with sodium hydroxide/caustic soda

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Uploaded by on Mar 21, 2011

Removing an alloy seatpost from a steel frame with caustic soda. DO NOT TRY WITH ALLOY FRAME.

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Howto & Style

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Uploader Comments (rossjarrett)

  • WD40/Coca-cola/elbow grease and a damned big vice. You could try heating the seat tube on the frame with a blow torch (may damage paint work) and again stick in a vice using the frame as leverage. There are a few videos on here with various methods.

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  • Any suggestions for an ally frame?

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