Ibikoresho byo gutwara ibikoresho (Ibikoresho bya Helical Set) kubitumanaho bya EV, ibyuma bya Helical ni amenyo ya gare ya silindrike yohereza itara riva mumurongo umwe ujya mubindi.Nibyoroshye, bikora neza kandi byoroshye, bituma bahitamo gukundwa kubikorwa byinshi.
Ubu bwoko bwibikoresho byabugenewe kugirango bihangane n’umuriro mwinshi n’ibisabwa byihuse by’ibinyabiziga bikoresha amashanyarazi kandi mubisanzwe bikozwe mubikoresho bigezweho nk'ibyuma bivangwa n'amavuta cyangwa ibindi byuma biramba.