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Completely my fault but my seatpost is completely stuck. I have tried plusgas, GT85, ammonia, freezing spray and hacksawing down the length with no joy. Is there anywhere in Edinburgh/Glasgow or further away that someone can recommend who may be able to ream it out? Thanks
ben @ kinetics has all manner of conferluting machinerwhattery that might help.
http://www.kinetics-online.co.uk/
Thanks, I'll give them a call.
Rorschach, sounds promising, have you used him?
Plug it pour patio cleaner in the frame, eats aluminium cleans titanium
It doesn't help you now but it's likely to be galvanic corrosion and titanium can also be prone to galling (so is aluminium). In galling a sliding action picks up the surface into tiny lumps, done enough it can weld parts together
If the metals are dissimilar without seatpost movement, I'd suggest galvanic corrosion
If you move your seat post frequently for transport, or if it regularly slips then you might begin to see galling
I had this recently on a bike I was working on. wd40, leverage, impact hammers etc wouldn't budge it. Eventually did the cutting into 4 slices lengthways, at first this seemed to achieve nothing but I found that a small screwdriver gently tapped into the gap between post and frame followed by a bigger screwdriver, repeat, repeat, repeat eventually got it to move once the screwdriver reached the seized area. Took 8 hours to do all this and drove me slightly insane.
The effect that seriously corroded aluminium can have, as the aluminium oxide expands:
http://www.pardo.net/bike/pic/fail-001/FAIL-102.html
Yup, pop it along and I'll shift it - I have a series of techniques that haven't failed yet 😀
(though may have to destroy the seatpost itself)