Li-reducers tsa RV li sebelisoa haholo masimong a mangata haholo-holo ka lebaka la likarolo tsa tsona tse hlokomelehang:
1. Sebopeho se Compact and Small size: Ka moralo oa tsona o tsoetseng pele, li fokotsang matla a RV li khona ho tsamaisa motlakase ka tsela e sebetsang sebakeng se lekanyelitsoeng, e leng se etsang hore e be tse loketseng bakeng sa ho kengoa sebakeng{1}}lisebelisoa tse haellang.
2. Large Transmission Ratio: Ka mokhoa oa bona oa ho fokotsa-mehato e 'meli ea ho fokotsa, li-RV li fokotsa sekhahla sa phetisetso, tse khotsofatsang litlhoko tsa mefuta e mengata e fapaneng ea lits'ebetso.
3. Mosebetsi oa-oa ho notlela: Tlas'a maemo a itseng, li-reducers tsa RV li na le-mosebetsi oa ho notlela, o thibelang ho potoloha ha sesebelisoa tlas'a maemo a itseng, ho ntlafatsa polokeho le botsitso ba sona.
4. Phetisetso e Boreleli le Lerata le Tlase: Ka moralo o ntlafalitsoeng le tlhahiso e nepahetseng, li-reducers tsa RV li laola ka nepo lerata le ho thothomela nakong ea ts'ebetso, ho netefatsa ts'ebetso ea lisebelisoa tse bonolo le tse tšepahalang.
5. Matla a Holimo le ho Tiea: Lisebelisoa tsa RV li na le matla a phahameng a ho khathala le ho satalla, tse khonang ho mamella meroalo e meholo, ho netefatsa hore{1}}sesebelisoa se sebetsa ka mokhoa o tsitsitseng nako e telele.
