1 pinion 50 % drives the axis even though the 2nd pinion half is "preloaded" to get rid of the backlash. The preload location of the 2nd pinion 50 % is totally adjustable to the machine by turning the axial spring pack at the end of the pinion shaft. In https://gearbox-cvt29742.mybuzzblog.com/12350836/rumored-buzz-on-gearbox-cvt