That's a locknut with stripped threads - I use it as a mock-up lower headset. It's still a bit too short, even to mimic campy SR pista, but oh well. Gives me the general idea of geometry and clearances.
Clever.
@Tijs started
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That's a locknut with stripped threads - I use it as a mock-up lower headset. It's still a bit too short, even to mimic campy SR pista, but oh well. Gives me the general idea of geometry and clearances.