BMX Bottom Bracket Problem

PB Forum :: BMX (20")
BMX Bottom Bracket Problem
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Posted: Jul 22, 2010 at 20:10 Quote
bolmaing wrote:
Ok. My bottom bracket is just a flat piece of tube. It doesn't have any work done to the inside of it e.g machining. Is that what other bmx bottom brackets look like?

YES SON, that is exactly the way it should be, and while it doesn't appear to be machined, it will be exactly the right size to press the bearings straight in, provided you have bought the right size.

Follow Jim Bauer's wise words in above^^ video and the clouds of uncertainty will recede.

Posted: Jul 22, 2010 at 22:25 Quote
Alrite. That video was quite helpful. It's all done now. Bearings pressed fine.cranks installed. Time to session the park.

Posted: Sep 12, 2014 at 14:15 Quote
i have the opposite problem i have an american 19mm bottom bracket an just got mid bearings minus the cups contacted amazon have an extra mid bearing set needing either 1 of 2 things either mid sized cups or 1 american sealed bearing i have the other from last time changing them out anyone interested let me knowDead Horse

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