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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 08-24-08, 08:04 PM   #1
Triiop
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Bottom Bracket Loose!!!

Definitely loose. This is a repair Ive never had to make and as a poor student Im not paying my LBS to tighten something that is hopefully simple to tighten. How exactly would I go about tightening this beast up? Are special tools needed. Ive got an marine engine repair shop at my disposal for tools.
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Old 08-24-08, 08:17 PM   #2
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yes several special tool are required. It'll be cheaper to have a lbs take care of it.
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Old 08-24-08, 08:27 PM   #3
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I can't tell you because I don't know what kind of bottom bracket you have. But yes, you'll need special tools. It's likely not all that hard to do, however-- you might buy the tools and get advice from the LBS on how to do it.
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Old 08-24-08, 08:51 PM   #4
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As others have said it could be one of a number of types of bottom bracket. It is is the ashtabula type then you can do the job with standard tools you would have in the shop. If it is another type then normally you would use a couple special tools; it may (or may not) be still possible, however, with some ingenuity around the shop.
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Old 08-24-08, 09:08 PM   #5
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Price of tool will definitely cost more than asking them to just tighten it if that is all that is needed, but that might not be the only problem.
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Old 08-25-08, 03:45 AM   #6
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Italian threaded bike?

I just had this happen to me. Required a crank puller which I already had and a special cup nut (I have a Phil BB) which I didn't have and which cost $15 apiece (need two).

The LBS did the whole job for twenty bucks. That would be my suggestion.
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Old 08-27-08, 06:09 AM   #7
Triiop
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alright well if I can get the LBS to do it for 20$ that wouldnt be a bad deal.
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