Ea ronathaerekatoloso ea li-valveli etselitsoe ho sebetsana le litlhoko le lits'ebetso tse fapaneng. Hore na o hloka phihlello e atolositsoeng bakeng sa likutu tsa valve tse thata ho fihlella kapa o hloka ho tenyetseha ho eketsehileng bakeng sa ho hema le ho hlahloba khatello ea mabili, re na le tharollo bakeng sa hau. Katoloso ea li-valve tsa rona e entsoe ho fihlela maemo a holimo a boleng le ts'epo, ho netefatsa ts'ebetso e ntle le bophelo bo bolelele. Bakeng sa ba batlang khetho e bobebe le e feto-fetohang, ea ronali-extender tsa kutu ea li-valve tsa polasetikike khetho e ntle haholo. Li entsoe ka thepa ea polasetiki e tšoarellang, li-extender tsena li fana ka khokahano e sireletsehileng le e tšepahalang ho li-valve stems tsa koloi ea hau. Ka ho kenngoa ha tsona habonolo le moralo o bonolo ho o sebelisa, li-extender tsa rona tsa li-valve stem extender tsa polasetiki li fana ka bonolo le ho tenyetseha, li lumella tlhokomelo ea mabili ntle le mathata. Haeba u khetha khetho e matla le e tšoarellang haholoanyane, ronadi-extender tsa kutu ya di-valve tsa tshepeke tharollo e loketseng. Li entsoe ka thepa ea tšepe ea boleng bo holimo, li-extender tsena li fana ka matla a ikhethang le bophelo bo bolelele. E etselitsoe ho mamella maemo a thata, li-extender tsa rona tsa tšepe li fana ka khokahano e tšepahalang le e sireletsehileng, e netefatsang ts'ebetso e ntle le tlhokomelo ea mabili. Ntle le likhetho tsa polasetiki le tšepe, re boetse re fana kakatoloso ea valve ea mabili a rabara. Likatoloso tsena li etselitsoe ho tenyetseha le ho ikamahanya le maemo, li u lumella ho fihlella le ho fihlella likutu tsa li-valve habonolo. Li hahiloe ka thepa ea rabara e tšoarellang, likatoloso tsa rona tsa li-valve tsa mabili a rabara li fana ka tiiso e tiileng le ho boloka khatello ea moea hantle. Ka ho mamella le ho tenyetseha ha tsona, likatoloso tsena li loketse mefuta le lits'ebetso tse fapaneng tsa li-wheel.