Estusa/ puma spec experts RDC numbers

does anyone know which puma or estusa has the lowest RA?
Racquets in question
Puma winner
Puma top star
Puma super
Puma top flex
Estusa advantech
Estusa provantech PB
Estusa power beam
Estusa power beam pro
Estusa power beam braided

I’m thinking the white and black checker board advantech is the most flex from memory as I’ve hit with all these except the puma top flex which very well may be the flexiest but I’m can’t say- but maybe “you “can add some Info?
 
Interesting. The Estusa was actually more flexible than the Winner? I would had thought that since it would be similar to the Super in flex.

Was the Top Flex & Top Star not available here in the states? I don’t ever recall seeing those.
 
Interesting. The Estusa was actually more flexible than the Winner? I would had thought that since it would be similar to the Super in flex.

Was the Top Flex & Top Star not available here in the states? I don’t ever recall seeing those.
I do believe the estusa ad van tech and the pro van tech were softer for sure .. the top flex and the top star were both available in the back of Tennis magazine for sure in the 80’s and 90’s Though I didn’t know anyone to play with them . I was the only guy in Indiana and Kentucky I think that played with any puma :)
Never saw another junior or adult use that manufacture
 
I do believe the estusa ad van tech and the pro van tech were softer for sure .. the top flex and the top star were both available in the back of Tennis magazine for sure in the 80’s and 90’s Though I didn’t know anyone to play with them . I was the only guy in Indiana and Kentucky I think that played with any puma :)
Never saw another junior or adult use that manufacture
I think ... think being the operative word that the white advant was the flexiest of all:)
 
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