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littleK
TTM
Im trying to strip a canyon frame that has been looked after poorly.
The headset was very rough, so I'm replacing both the upper and lower cartridge bearings. However they were both well and truly stuck. A few days of soaking in wd40 and the upper came out with a few firm taps of a hammer and screwdriver. The lower is proving rather more tricky.
The hammer treatment led to all of the cartridge coming out except the metal outer casing which is firmly stuck to the aluminium heatube cup. I'm now at a loss as to how to get it out.
Any advice very welcome.