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hankhillsvoice t1_iu4o89y wrote

You (or whoever built the bike) probably installed the bottom bracket wrong. The bearing should not be wearing out quickly by balancing at stop lights. If this was the case you wouldn’t be able to stand up on the pedal when you climb hills. My guess is you’re riding in pretty bad conditions (cyclocross bikes will often need a new bottom bracket every year if you race enough) or, like I said it was not installed correctly or completely. Some BBs are notoriously hard to install.

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r4tch3t_ t1_iu4rwub wrote

Was installed correctly I'm fairly sure. Was done by a mountain bike shop my Co worker had been going to for decades. By quickly I mean around 6 months to a year. I've never had to replace one before standing on the pedals like that.

When I took it in to get fixed (didn't have the right tool and probably wouldn't have done it right anyway) the dude told me the bearing was basically crushed and asked if I rocked back and forth at the lights. Told me not to and I've never had an issue since.

As for standing on them while climbing hills, maybe it wears more evenly?

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