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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 10-02-06, 01:14 PM   #1
jp_nyc
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Bearing sizes

Can someone tell me what bearing sizes I need for:

Ultegra BB-6500 octalink
Ultegra 8-speed hubs, front and rear

Or a link where I can find that info.

Thanks!
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Old 10-02-06, 02:32 PM   #2
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The Ultegra Octalink bottom bracket is unservicable as it is a sealed unit. The only way I can see to get inside one is with a hacksaw or can opener.

The front hub uses 3/16" bearing balls, 10 balls per side.

The rear hub requires 1/4' bearing balls, 9 per side.
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Old 10-02-06, 02:40 PM   #3
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Great, thanks!
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