Izixhobo Zenziwe Ngokwesiko ze-OEM zangaphakathi, i-Annulusizixhobo zangaphakathizizinto ezibalulekileyo kwiibhokisi ezinkulu zegiya zoshishino, zibonelela ngokudluliselwa kwamandla okusebenzayo kunye noyilo lokonga indawo. Ezi giya, ezinamazinyo kumjikelezo wazo wangaphakathi, zisebenza ngaphandle komthungo ngeegiya zeplanethi ukusasaza i-torque nokunciphisa isantya ngokufanelekileyo. Ukwakhiwa kwazo okuqinileyo kuqinisekisa ukuqina okuphezulu, okwenza zibe zilungele ukusetyenziswa okunzima njengoomatshini abanzima, izixhobo zemigodi, kunye nokuveliswa kombane. Ubunjineli obuchanekileyo beegiya zangaphakathi ze-annulus bunegalelo ekuthembekeni nasekusebenzeni kweegiya zoshishino, zixhasa ukusebenza okutyibilikayo naphantsi kwemithwalo enzima. Ukuguquguquka kwazo kunye nokusebenza kwazo kakuhle kuzenza zibe yeyona nto ibalulekileyo kwiinkqubo zoshishino zanamhlanje.
Kukho imigca emithathu yemveliso ezenzekelayo yokufakela iigiya zangaphakathi, ukutyibiliza ngeski.