Amagiya eyunithi yokushayela (i-Helical Gear Set) yama-EV transmissions, amagiya e-Helical angamazinyo egiya ayi-cylindrical adlulisa i-torque isuka komunye umgodi iye kwenye.Ilula, iyasebenza futhi ihlangene, okwenza kube ukukhetha okudumile ezinhlelweni eziningi.
Lolu hlobo lwegiya luklanyelwe ukumelana ne-torque ephezulu kanye nezidingo zejubane eliphezulu zezicelo zezimoto zikagesi futhi ngokuvamile zenziwa ngezinto ezithuthukisiwe njengensimbi ye-alloy noma ezinye izinsimbi ezihlala isikhathi eside.