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-   -   Correct me if I'm wrong... (https://www.bikeforums.net/bicycle-mechanics/276900-correct-me-if-im-wrong.html)

Ymmie 03-12-07 11:17 AM

Correct me if I'm wrong...
 
It is impossible to install a bottom bracket backwards as the threads are reversed on one side.

capwater 03-12-07 11:26 AM

Impossible.

Ed Holland 03-12-07 12:48 PM

Sealed, or unsealed bottom bracket?

If it is a servicable BB with separate cups, axle and bearings, it's possible to fit the axle the wrong way round.

A sealed BB should only thread from one side (using reasonable force ;) ) This is commonly from the drive (right) side of the frame, with a left handed thread. There are exceptions to this, for example "Italian threaded" bottom brackets. Check www.sheldonbrown.com for details.

Ed


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