Evidence above of me trying to avoiding frame failure by cleaning my bike.
I'm sure if i did bother to wash it I would have seen a massive crack months ago. It has been very... musical for a while.
The Swiss have a thread?
https://www.sheldonbrown.com/cribsheet-bottombrackets.html Very close to british threading but in metric. Slightly bigger shell, slightly fewer TPI.
Same reason I'd never buy an old French bike.
Or any old bike.
Raleigh threading can do one too.
Ha I had so much fun switchibg cottered crank for square taper on an old Peugeot. French threaded and slim cups, jis crank, lots of mms offsetting each other to get the chainline back where it is meant to be.
@hippy started
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Evidence above of me trying to avoiding frame failure by cleaning my bike.
I'm sure if i did bother to wash it I would have seen a massive crack months ago. It has been very... musical for a while.
https://www.sheldonbrown.com/cribsheet-bottombrackets.html
Very close to british threading but in metric. Slightly bigger shell, slightly fewer TPI.