Ukuqhwaba i-knuckle, okwabizwa ngokuba "ziigusha uphondo", yenye yeendawo ezibalulekileyo ze-axle yemoto, enokwenza iimoto ziqhuba kakuhle kwaye zidlulise kwicala lokuqhuba ngononophelo. Umsebenzi we-knuckle okuqhubayo kukudlulisela kwaye unyamezele umthwalo ongaphambili wemoto, inkxaso kunye nokuqhuba ivili langaphambili ukujikeleza i-ringpin ukujikeleza imoto. Xa imoto isebenza, i-fares iguqulwe umthwalo wefuthe, ke kufuneka ukuba namandla aphezulu.
I-Knuckle ixhunyiwe kunye nomzimba wemoto ngequbuliso ezintathu kunye neebhanti ezimbini, kwaye zidibene nenkqubo yokuqhekeza ngokusebenzisa umngxunya we-brake. Xa imoto iqhuba ngesantya esiphezulu, ukuntywila kwi-vibration ukusuka kumphezulu wendlela ukuya kwi-knuckle eqhutywa ngethayile yeyona nto iphambili esiyijonga kuhlalutyo lwethu. Ukubala, imodeli ekhoyo yesithuthi isetyenziselwa ukufaka isantya se-4g se-4g sinemigangatho emithathu ye-buckle kunye ne-bigring ye-BOTT ye-Bools esetyenzisiweyo, kwaye inciphise inkqubo yokuphela kweflethi.