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WORKSHOP
Bb sleeve in process of being machined at YR1 for insertion into frame
Multiple attempts by manufacturer to hold old bb sleeve in frame with pins on non drive side.
Holding pins on outside of frame bb shell, drive side have rusted and fell apart.
Old bb sleeve visable and snapped in two inside .
New bb made by YR1 installed in frame. Clean up and repaint is next process.
Collapsed bb in frame.
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BB failure
Lightweight hub
Welcome to YR1 workshop.
About
Disclaimer:
The workshop allows people to see various stages of repair that comes into YR1.
We do not cover or explain all mechanical work we do on this page in technical detail.
Please do not attempt to replicate any picture or text you may see here in a attempt to repair your own cycle.
mechanics are and can be a lot more complicated than they appear.
Advice:
we cannot give advice to anyone attempting to do their own cycle repair.