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Old 06-13-10, 05:03 PM   #1
xfimpg
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Are Shimano Hollowtech I and II interchangeable?

Hi

Are Shimano Hollowtech I and II cranks interchangeable?

I'm looking specifically at XTR down to Deore.
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Old 06-13-10, 05:32 PM   #2
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Hollowtech I used Octalink cartridge-type bottom brackets with a hollow splined spindle built into the cartridge, V-1 for road cranks and XTR and V-2 for most other MTB cranks and Tiagra and Sora cranks.

Hollowtech II uses external cup bottom brackets with the spindle as part of the crank arms. They are not at all interchangable.
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Old 06-13-10, 06:39 PM   #3
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Quote:
Originally Posted by HillRider View Post
Hollowtech I used Octalink cartridge-type bottom brackets with a hollow splined spindle built into the cartridge, V-1 for road cranks and XTR and V-2 for most other MTB cranks and Tiagra and Sora cranks.

Hollowtech II uses external cup bottom brackets with the spindle as part of the crank arms. They are not at all interchangable.
Thanks
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