I think I invented this
Lots of penetrating oil, a big rubber mallet, patience, some light hammer taps here and there , ...oh, and a bottle jack!
I've found even badly rusted tubes still mostly rust around the opening where the tree meets the down tube, and then maybe up another inch or so. I say this to give you an idea of where to concentrate any rust-busting blows, heat, penetrant, or more heat.
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I used heat as a last resort here because it wasn't budging and my axle bolt was losing its patience. Well, I had little hope of saving the sleeves anyway. About a minute with the torch at the sweet spot around the seam, ... a couple more blows with the mallet, and it started creeping upward.
Abrade the rust out of the tree as best you can before installing the new sleeves.
Lots of penetrating oil, a big rubber mallet, patience, some light hammer taps here and there , ...oh, and a bottle jack!
I've found even badly rusted tubes still mostly rust around the opening where the tree meets the down tube, and then maybe up another inch or so. I say this to give you an idea of where to concentrate any rust-busting blows, heat, penetrant, or more heat.
Flickr fork 1
Flickr fork 2
I used heat as a last resort here because it wasn't budging and my axle bolt was losing its patience. Well, I had little hope of saving the sleeves anyway. About a minute with the torch at the sweet spot around the seam, ... a couple more blows with the mallet, and it started creeping upward.
Abrade the rust out of the tree as best you can before installing the new sleeves.
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