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My coworker said to just replace the whole bottom bracket on that old Trek, but I wanted to save the customer money.
He told me the cups were too worn and a new one was the only fix. I spent like two hours trying to clean and re-grease the old cartridge, thinking I could get it smooth again. Put it all back together and the crank still had that gritty feeling after a few pedal strokes. Now I have to tear it down again and put in the new part I should have used first. Anyone else ever waste time trying to be the hero when the simple swap was the right call?
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butler.mark2mo ago
Remember when we thought a good clean could fix anything? I learned the hard way that some parts are just done.
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blairwhite2mo ago
Been there, done that. You learn the hard way that a worn cartridge bottom bracket just can't be saved. That gritty feeling means the bearings are shot, and no amount of grease will fix it. It's a lesson in not overcomplicating things. Swapping it for a new one is faster in the long run and gives the customer a proper repair. Save the heroics for when a part actually has a chance.
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the_sam1mo ago
That first time you feel that gritty grind when spinning the cranks by hand, you already know. I've had customers bring in bikes saying "it just needs a clean and some grease" and I always show them the old one after pulling it out. Theres no saving a cartridge once those seals fail and dirt gets in, you're just buying time. Have you ever tried to press one back together cleanly without it binding up again?
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