Tom, Don't take this as a definitive answer but it reflects my experience. I needed a French threaded headset for my Peugeot and the only reasonably priced unit I could find at the time was a Campi track (Pista) headset. Anyway, the only real difference I could see between the Pista and regular headset was in the stack height: the Pista was a few millimeters shorter. I used an extra spacer to avoid having to cut down the steering tube. Cheers, Fred Rednor - Arlington, Virginia
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