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  1. #1
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    Old Dura Ace Front Hub

    I'm overhauling an old Dura Ace Front hub, date code BJ (1977, Oct.) and noticed that it had 11 3/16" ball bearings on each side. Is this the correct size for this hub? I thought that front hubs typically used 10 3/16" balls per side.

  2. #2
    Senior Member melville's Avatar
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    Quote Originally Posted by leecycle View Post
    I'm overhauling an old Dura Ace Front hub, date code BJ (1977, Oct.) and noticed that it had 11 3/16" ball bearings on each side. Is this the correct size for this hub? I thought that front hubs typically used 10 3/16" balls per side.
    Yes, 11 per side is correct. I almost think they did this so that any repair person down the road would be forced to put D-A quality parts back on. Perhaps Shimano had other reasons.

  3. #3
    Stop reading my posts! unworthy1's Avatar
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    this one...goes to 11...

    (apologies to Spinal Tap)

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