Yoyojam Super SpinFaktor

i just bought the super spinfaktor.
what is the bearing size for this?
is there any mods for this?

i believe its a C bearing which is a standard YYJ size.
mods people doing is most likely change the response and add shims.

Why mod the perfect YYJ yoyo?

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I THINK it has a B sized bearing, bearing B.

Ding, ding, ding, we have a winner.^^^ Size B is correct.

You could have a modder open up the bearing seat somewhat to fit a C bearing and silicone recess it or you could just play it stock.

whoa, sorry, i didnt know its a B size bearing.