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10

That one time a simple bottom bracket job turned into a four hour fight

Had a customer bring in a 90s mountain bike with a seized square taper bottom bracket. Felt like a standard job. Broke two cheap splined tools trying to get the drive side cup to budge. Ended up having to weld a giant bolt to the cup and use a four foot breaker bar. Took me the whole afternoon. Anyone else run into a bottom bracket that just refuses to die?
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3 Comments
victor_ward
Ever try heating the shell with a torch before you crank on it? Sometimes that old grease turns into glue and needs a little persuasion.
4
wright.luna
Weld a bolt on and use a four foot bar, that's the only way sometimes. Victor's right about the heat, but some of those old ones are just welded shut by rust. I keep a junk socket just for welding onto cups that won't move. Feels like a victory when it finally cracks loose, even if it ruins your whole day.
4
ninabutler
Actually, welding heat can help break the rust bond too.
2