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headset Shimano DuraAce UA-100 or HP-7500?

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headset Shimano DuraAce UA-100 or HP-7500?

Old 12-09-23, 05:10 AM
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headset Shimano DuraAce UA-100 or HP-7500?


I'm not an expert and I'm trying to identify a Shimano Dura-ace headset. I've no idea how to distinguish the road to the track model (UA-100 or HP-7500).

The one I have is French threaded. what should I look for?

Any help would be great, thanks!
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Old 12-09-23, 11:16 PM
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