I-Bushings, ekwaziwa ngokuba ziibheringi ezingenanto okanye iibheringi zemikhono, ngamalungu ecylindrical ayilelwe ukunciphisa ingxabano phakathi kwamalungu amabini ashukumayo. Ngokuqhelekileyo zenziwe ngezinto ezifana nobhedu, ubhedu, intsimbi, okanye iplastiki. Amahlahla afakelwa kwindlu okanye kwicasing ukuxhasa kunye nokukhokela iishafti ezijikelezayo okanye ezityibilikayo, iirodi, okanye ezinye iinxalenye zoomatshini.