Stuck seat post

[K_50]

Stuck seat post? Fill the seat tube with drain cleaner, give up after a couple of weeks, and rediscover it a few months later...

 

[horsefarmer]

So all better now?

 

[Wildcat]

Was that an aluminum post?

 

[MattiThundrrr]

That reminds me of a trick from working on old motorcycles. Stuck steel bolt, no way to extract? Alum, available any grocery store, or maybe your spice rack at home, dissolves steel.
https://hackaday.com/2015/08/03/dissolve-steel-drill-bits-in-alum-from-the-grocery/PS nice looking canti bridge and seat clamp. Watcha working on, dood?

 

[K_50]

So all better now?

Yep

Was that an aluminum post?

Yep

That reminds me of a trick from working on old motorcycles. Stuck steel bolt, no way to extract? Alum, available any grocery store, or maybe your spice rack at home, dissolves steel.
https://hackaday.com/2015/08/03/dissolve-steel-drill-bits-in-alum-from-the-grocery/PS nice looking canti bridge and seat clamp. Watcha working on, dood?

It's a '96 Sunn Vertik.