I-Bhritane yohlobo lwe-Oli yokupholisa yenziwe nge-aluminiyam esemgangathweni kwaye inkangeleko isemva kokugqitywa kwe-anodized.Imiqolo eyahlukeneyo equka: 7-umqolo 10-umqolo, 15-umqolo, 19-umqolo.30-umqolo.Le nto ipholileyo yeoli ikwi-lightweight, kulula ukuyifaka.Sebenzisa ukupholisa i-oyile ye-injini, ukuhanjiswa kunye nomehluko ongasemva.Igcina ubushushu be-oyile busezantsi ukunqanda umonakalo we-injini kunye nokwandisa ubomi be-injini.