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1) there was clear evidence of rusting on the exterior surface of the steel hub cup. nothing visible on the alum hub side. i dont doubt there was some wear n tear on the softer alum hub surface given the length of time the problem existed
2) i chose epoxy since ive had good long term success when used to cure a bb bearing fit problem ( campy UT, with worn inner / bearing side alum cup surface) , and since i didnt have the proper retaining compound and/or the necessary primer -given one surface was non metallic
3) removal is not that big an issue- heating with some boiling water makes things pretty simple
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