mixing CVT roller tuning kit rollers confusing

how does 3g * 10g then 3g * 11g make 10.5g? that is 63g.

2013 Grizzly 700 Wet Clutch Input

Modern Vespa : Pre Leader 125 CVT Drive Belt & Roller Change

Equipment Today May 2016 by ForConstructionPros.com - Issuu

RC-One : Roller Tuning : Increasing Performance With The Right Slider Weights : RC1 : Part 11

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To whom it may concern….. More sheave and belt info and thoughts.

I just picked up this beast I could use a little help : r/Ruckus

Motorcycle Transmission 101: The Key To Produce BIG Power

Variator Tuning - Choosing the right roller weight - Scooter Focus - All about Scooters