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@xroads
The reason I asked was because I replaced the BB on my Peugeot BBT framed racer which had a cup and cone BB. However, the profile of this axle end appears to be square, compared to tapered square for the shimano BB-UN26. So I assumed there must be two type of BB square and tapered square. Maybe I assumed wrong.
I would like to use the original cranks as they are much lighter, but trying to fit these on the shimano BB-UN26, they dont appear to go in deep enough, and I dont want to bugger them up (square peg round hole comes to mind). Suggestions/thoughts most welcome.