I show how to overhaul a vintage cup/cone square taper bottom bracket. This includes removing the cranks, disassembly, cleaning, replacing the bearings, lubrication, and re-assembly. This is a maintenance that should be done if the bottom bracket feels rough, or if there is play, or if the bottom bracket hasn't been serviced in a long time.

The wrench at 5:20 is this:
https://www.amazon.com/exec/obidos/AS...

The wrench at 6:45 is this:
https://www.amazon.com/exec/obidos/AS...

How to remove stuck fixed cup:
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How to convert to sealed cartridge bottom bracket:
   • How To Upgrade Vintage Bike With Seal...  

Replace caged bearings with loose bearings in BB:
   • Replace Caged Bearings With Loose Bea...  

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