A cylindrical gearseti, inowanzonzi “giya,” ine magiya maviri kana anopfuura ane mazino anobatana kuti afambise kufamba uye simba pakati pemagetsi anotenderera. Aya magiya akakosha zvinhu muakasiyana emuchina masisitimu, anosanganisira magiya mabhokisi, mota dzekufambisa, michina yemaindasitiri, nezvimwe.
Cylindrical magiya seti anochinja-chinja uye akakosha zvikamu muakasiyana emakanika masisitimu, achipa anobudirira ekufambisa kwesimba uye kufambisa kutonga mune zvisingaverengeki maapplication.