J Costa evo3 - anyone using this

[xsel777]

I was looking at variators , as mine is damaged from rollers being fitted incorrectly.
I bought original,  but saw the evo3 version of the j. Costa and an Curious if anyone has this on their 500 or even 300.


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[sissy mary]

I have heard that the J C does boost performance, but the thumb shaped spindles wear out on one side very fast. Every one who had one hated it, and went back to stock. Stay away and save your self hundreds of bucks.