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Old 08-25-11, 01:29 PM   #1
EdIsMe
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Confusing Bottom Bracket

Soo... anyone know what tool to use to remove this type of bottom bracket?



I looked all over and couldn't find a thing...

Thanks in advance!
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Old 08-25-11, 01:34 PM   #2
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Soo... anyone know what tool to use to remove this type of bottom bracket?



I looked all over and couldn't find a thing...

Thanks in advance!
Park Tool BBT-22 or any other bike-tool maker's equivalent. Good tool to have, there's a lot of those BBs out there nowdays.
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Old 08-25-11, 01:42 PM   #3
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Here's where I'm confused:
"The BBT-22 is a shop quality tool for installing and removing ShimanoŽ and ISIS DriveŽ splined 20-tooth bottom bracket cups."

My bb cups have 16 teeth (4 sets of 4 teeth with gaps in-between).
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Old 08-25-11, 01:43 PM   #4
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Here's where I'm confused:
"The BBT-22 is a shop quality tool for installing and removing ShimanoŽ and ISIS DriveŽ splined 20-tooth bottom bracket cups."

My bb cups have 16 teeth (4 sets of 4 teeth with gaps in-between).
That tool will still work, it's pretty much a de facto industry standard at this point.
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Old 08-25-11, 01:46 PM   #5
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Ok, thanks

btw, what's the difference between the bbt-22 and the bbt-22c?
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Old 08-25-11, 01:46 PM   #6
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It's another Shimano induced standard. the UN type cartridge BB assembly ..
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Old 08-25-11, 01:48 PM   #7
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Will either one work?
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Old 08-25-11, 02:04 PM   #8
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Nevermind, found my answer on Park Tool's website. The only difference is the particular composite of metal used to manufacture the tool.
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Old 08-25-11, 07:54 PM   #9
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In Park Tool's nomenclature, the C designates it's on a retail display card that can be hung from display hooks.
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