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.
How to remove stuck fixed cup:
How to convert to sealed cartridge bottom bracket:
Replace caged bearings with loose bearings in BB:
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