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Further development of bluefire M/JP.
Thin topsheet, thicker sponge in max (called MAX+) version - think andro Rasanter.
Z1 and Z2 47.5 degree sponge, Z1 pimple geometry for speed (Rasanter V47?) and Z2 optimized for spin (Rasanter R47?).
Z3 is also optimized for spin, but only 42.5 degrees (Rasanter R42?).
I am not saying these are identical rubbers, but the concept sounds very similar ...
Thin topsheet, thicker sponge in max (called MAX+) version - think andro Rasanter.
Z1 and Z2 47.5 degree sponge, Z1 pimple geometry for speed (Rasanter V47?) and Z2 optimized for spin (Rasanter R47?).
Z3 is also optimized for spin, but only 42.5 degrees (Rasanter R42?).
I am not saying these are identical rubbers, but the concept sounds very similar ...