Li-gear tsa Spiral bevel li sebelisoa hangata ka har'a li-gearbox tsa Indasteri, mabokose a indasteri a nang le likere tsa bevel a sebelisoa liindastering tse ngata tse fapaneng, haholo a sebelisetsoa ho fetola lebelo le tsela ea phetisetso.Ka kakaretso, likere tsa bevel li fatše.