hey russell-we think alike.
the rest of her old tube was fine, but the drain plug was becoming difficult- so much of it was ground away!
i made up some sacrificial skin to thicken the bottom.....
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and stiched it on.
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after i flail around at it with a grinder for awhile, i'll add another smaller layer - bring it up to grade.
interested in how these larger rear brakes could work. everything always felt kinda weak back there.

'89 kick w/some modifications.
some intentional.
suzi the psychic gets me fishing.