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@tee
O-ooo! Class.
In the meanwhile.... Between shoveling a 150l of mulch from one compost to another with a devoted friend :) x The bike project is taking on!
First: crank needed to come off. Threaded the crank tool into the whole that had gone oval - sideways. Tried to pull anyway, since as the thread would now be destroyed. Stripped the thread. Amazingly, this had opened up the oval whole enough to thread the crank tool in relatively straight, pulled the crank out with only minor trashing of the thread.
Next. Lockring comes off easily on a, believe it or not, counter thread! Behind it a sturdy looking bearing cover. How's this going to come out? There is a tool for it I'm sure, to fit the two shallow grooves, but the bike builder probably made it and discarded of it once the bike was done. Got the neighgbour out to exert some force. After mighty tapping, hammering and forcing, what turned out to be the cone unwound on the axle.
Victory!
Inside the bearing race had disintegrated and jammed the BB. Otherwise the BB was a lovely solid piece of work, in good condition, with cups beautifully pressed onto the frame. I'm loving it! Now a trip to the LBS for spares.
Bet you the bearings are standard size, too...
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