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Many of these answers are valid, but before you go through the trouble of heating your frame, using nasty chemicals, or anything else, there is a far simpler method that often does the trick. Get a dumpy saddle you don't mind bending and install it in the seat post. Clamp the saddle in a bench top vice. Using the entire bike frame as a lever, turn the ...


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Noone's mentioned heat to enlarge the steel frame. First, check with a magnet to make sure the frame is steel. If its an aluminium frame, then stop now. Remove the bottom bracket and bearings first. And remove the seat. Also remove brake cables from the area of the seat clamp. Drill a good sized hole through the top of the seat pole, and fit a lever ...


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Leaving out the back story - which is emotional - here is how I got an alloy seatpost out of a Columbus SLX (steel) frame. I got a bunch of optimistic advice and it all failed me. I tried: Penetrating oil such as WD-40, Hard core penetrators like PBlaster and Kroil, Freeze spray, Hammers, and giant levers. I was down to the last resort - sodium ...


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Just a thought… Run a bolt – maybe even a high strength bolt – backwards through the seatpost clamp and put a putty knife or the edge of a heavy washer between the halves of the clamp so that as you tighten the bolt it opens the seat tube. In a comment below, it was noted that in some seatpost clamps the threaded portion is an insert (i.e., it is not ...


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Not going to lie, seeing those pictures brought a tear to my eye. So sad how some people treat their toys, (referring to previous owner). Anyways, this is a pretty simple fix. Easiest way to get the post outta there would be to give the whole area where the post meets the frame a healthy dose of wd40. Let it sit for a few minutes, then re apply. At this ...


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I bought a PVC tube of the same inside diameter as the outer diameter of my seat tube. I positioned the saddle at the right height and I measured the length between the seat and frame tube in which the seat tube engages. I sawn PVC tube to this length. I just have to engage the seat tube in the PVC tube and the frame tube . The PVC tube prevents the seat ...



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