Thread: Headset identification
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Old 01-14-24 | 06:56 AM
  #19  
100wheels
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Hey John, why do you think it's 76? On VeloBase, they say:

In 75 this part was renamed the UA-100.

Originally Posted by John D
The "AB" is definitely a Shimano date code A is the year 1976, and B is the month of February.
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