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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 08-01-05, 05:57 PM   #1
matgarf
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help with Bottom Bracket installation

ok, so I searched and found some others with this problem, but did not really understand the solutions offered.

here is the problem, i am installing a race face, cartridge bb. as i tighten it down, the spindle binds up and becomes hard to spin. i installed it by threading in the non drive cup 3-4 turns, then tightening the drive side snug, and then tightening the non-drive snug. then, the spindle becomes too tight with the non-drive cup not completely threaded in, it spins freely.

could someone please offer me some advice. much appreciated!
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Old 08-01-05, 06:07 PM   #2
sydney
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Originally Posted by matgarf
ok, so I searched and found some others with this problem, but did not really understand the solutions offered.

here is the problem, i am installing a race face, cartridge bb. as i tighten it down, the spindle binds up and becomes hard to spin. i installed it by threading in the non drive cup 3-4 turns, then tightening the drive side snug, and then tightening the non-drive snug. then, the spindle becomes too tight with the non-drive cup not completely threaded in, it spins freely.

could someone please offer me some advice. much appreciated!
The non drive side only needs to be snug,and if that causes binding,you likely need the shell faced. However, the drive side needs to be more than snug.There is a recommended torque spec.
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Old 08-01-05, 10:10 PM   #3
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This link might help you: http://www.parktool.com/repair_help/FAQcartdg.shtml
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Old 08-02-05, 07:04 AM   #4
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Don't under estimate the importance of using the right torque on the bottom bracket. Find the specs and use a torque wrench or you will have more problems.
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Old 08-02-05, 07:18 AM   #5
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..... and use a torque wrench or you will have more problems.
Here ya go: www.sheldonbrown.com/tork-grip
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Old 08-02-05, 10:29 AM   #6
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I've got one of those and they work great.
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