Square Taper Bottom Bracket Service - How To Overhaul/Remove/Clean/Install

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RJ The Bike Guy
Published at : 13 Jan 2021
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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/ASIN/B000C17KRI/ref=nosim/youtube25-20

The wrench at 6:45 is this:
https://www.amazon.com/exec/obidos/ASIN/B000AOA2G8/ref=nosim/youtube25-20

How to remove stuck fixed cup:
https://www.youtube.com/watch?v=P9oIUmdI5JU

How to convert to sealed cartridge bottom bracket:
https://www.youtube.com/watch?v=1BrVjDFqotE

Replace caged bearings with loose bearings in BB:
https://www.youtube.com/watch?v=BNfRD4ETDL0

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