Knuckle ke hinge eo lebili le bilikang ho eona, hangata e le sebopeho sa fereko. Lifereko tse ka holimo le tse ka tlaase li na le masoba a mabeli a homing bakeng sa morena, 'me koranta ea knuckle e sebelisetsoa ho phahamisa lebili. Makhapetla a mabeli a masoba a phini lekokong la ho tsamaisa a hokahane le karolo e bōpehileng joaloka feisi lintlheng tse peli tsa axle e ka pele ka har'a kingpin, e leng se lumellang lebili le ka pele ho khelosa morena ka Angle ho tsamaisa koloi. Ho fokotsa ho khathala, sehlahla sa boronse se hatelloa ka har'a lesoba la phini la knuckle, 'me lubrication ea bushing e tlotsoa ka grease e kentsoeng ka molomong o kentsoeng mokokotlong. E le ho etsa hore tsamaiso e be bonolo, li-bearings li hlophisitsoe pakeng tsa mokokotlo o ka tlaase oa lesela la ho tsamaisa le karolo ea feisi ea axle e ka pele. Ho boetse ho fanoa ka gasket ea ho lokisa pakeng tsa tsebe le karolo ea feisi ea lesela la ho tsamaisa ho lokisa lekhalo pakeng tsa bona.
