Same seller was selling Zipp Course SL drops in my size for much less than the 4ZAs (only difference they were aluminium).
I went with the 4ZAs as they were CF and I thought they would be stiffer.
@lsegeorge started
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Same seller was selling Zipp Course SL drops in my size for much less than the 4ZAs (only difference they were aluminium).
I went with the 4ZAs as they were CF and I thought they would be stiffer.