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Loose BB

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Old 02-17-08 | 03:54 PM
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Bikes: 2012 Cervelo RS, 2012 Trek Superfly AL Elite, 2008 Motobecane Vent Noir, 1976 Raleigh Fixie conversion

Loose BB

I recently bought a new bike and I have about 300 miles on it and the Bottom Bracket has gotten loose. So loose that I can spin the splined nut with my fingers. I don't have the tools to tighten it back so what do you think my LBS would charge me to tighten it? Also, is this very common?
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Old 02-17-08 | 04:01 PM
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Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

If you bought it from the LBS, there should be absolutely no charge and they should apologize for having it come loose. If you bought it mail order or from a private party, I expect the LBS will want at least $10 as they will have to remove the crank to get to the bb cup. For about the same $10 you could buy the needed tool.
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Old 02-17-08 | 06:16 PM
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Originally Posted by 99m6z28
Also, is this very common?
Not common at all, if the bottom bracket was installed properly. In my 20+ years of riding, I never had one come loose.
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Old 02-17-08 | 06:27 PM
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Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

Originally Posted by MudPie
Not common at all, if the bottom bracket was installed properly. In my 20+ years of riding, I never had one come loose.
+1. Torqued properly they should never come loose by themselves.
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