I-Steering Knuckle, eyaziwa nangokuthi "Horn Horn", ingenye yezingxenye ezibalulekile ze-axle ezihambisa imoto, ezingenza imoto yemoto incane futhi idlulise inkomba yokushayela ngokuzwakalayo. Umsebenzi weKnuckle ophethe ukuhambisa futhi uthwale umthwalo wangaphambili wemoto, uxhase futhi ushayele isondo langaphambili ukuze ujikeleze i-kingpin ukuguqula imoto. Lapho imoto isebenza, ithwala umthwalo oguqukayo wethonya, ngakho-ke kuyadingeka ukuba namandla aphezulu.
I-Steineng Knuckle ixhumeke emzimbeni wemoto ngokusebenzisa ama-bushings amathathu namabhulokhi amabili, futhi ixhunyiwe ngohlelo lwe-brake ngokusebenzisa umgodi wokunyusa we-brake we-flange. Lapho imoto ishayela ngesivinini esikhulu, ukudlidliza kudluliselwe endaweni yomgwaqo kuya eKnuckle yokuqondisa ngokusebenzisa ithayi kuyisici esikhulu esisicabangayo ekuhlaziyeni kwethu. Esibalweni, imodeli yemoto ekhona isetshenziselwa ukusebenzisa i-4G Gravity Shetcherration emotweni, ukubala amandla okuphendula asekela ama-bushing Center izimbobo zenkululeko ezimbili njengomthwalo wenkululeko wazo zonke izindawo ze-flaking the system.