You can flip the Allez sprint seatpost to bring the mounting point forwards, so it would be positive setback, but you can put the saddle back on the rails to fit.
But the profile of the seat post is asymmetrical, no?
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@e54 started
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You can flip the Allez sprint seatpost to bring the mounting point forwards, so it would be positive setback, but you can put the saddle back on the rails to fit.