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I was curious as to why Sergio no longer publishes frequency for his blades
If I remember correctly, he used to before

Well i guess it is not critical because the frequency is in the same ball park depending on the playing style it is used for such as OFF+ , OFF, Allround, Defensive etc

Mogiert wrote: ↑February 19th, 2026, 8:27 am Well i guess it is not critical

It is not critical if you are a dumb racket player, especially using spinny smooth rubber both sides.
But if you are a smart racket player such as a close to the table loop & block player or an away from the table modern defender who uses slim pips or lactual long pips on the backhand and spinny smooth rubber on forehand , you want to know how different the backhand side of the blade is compared to the forehand side. That is the frequency can be one of the parameters that tell you how much behavioral isolation is between the forehand and backhand.
If some blademaker claims their smart blade is so great with excellent isolatio nbetween forehand and backhand sides, your initial measurements are about frequency. If the backhand frequency is very close to forehand frequency, the blade is already beginning to look bad and you may want to return the blade even without putting rubber on it