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17 teeth or 20?

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Old 10-06-11, 05:21 PM
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Again
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17 teeth or 20?

The crank puller from Park says:
The BBT-22 is a shop quality tool for installing and removing Shimano® and ISIS Drive® splined 20-tooth bottom bracket cups.
So I go to my garage to make sure mine has 20 teeth and it only has 16!
But it is a Shimano Ultegra. What do I use?
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Old 10-06-11, 05:50 PM
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Is this an external bearing style? Those require a tool with 16 teeth (BBT-19).
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Old 10-06-11, 06:25 PM
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It's a cartridge type, Shimano Ultegra. I did count 16T.
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Old 10-07-11, 10:04 AM
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...But it is a Shimano Ultegra. What do I use?
you have some nice bike shops in Ashland, just a few miles away..
buy the right tool from them.

Isis, is not a Shimano product, but a reaction to their Octalink,
and made by agreement amongst competing companies.

Last edited by fietsbob; 10-07-11 at 10:07 AM.
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