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- 18 Jan 2018, 5:07pm
- Forum: Bikes & Bits – Technical section
- Topic: Stuck seat posts & frame heating discussion
- Replies: 30
- Views: 136530
I used household caustic soda (sodium hydroxide) available very cheaply at Wilkinsons and other stores. This solution will only work with an aluminium seat post stuck in a STEEL frame. Remove the bottom bracket, cut off the seat post as much as possible and install a wine cork to seal the end of the...