Cixi, a French company which specializes in "green active mobility solutions," has developed its own version of a chainless drivetrain, which it calls a Pedaling Energy Recovery System (PERS)
So I read this as they doubled the electric motor weight on the bike, reduced energy efficiency by some 50% AND removed direct power transfer as backup. Sounds very promising!
So I read this as they doubled the electric motor weight on the bike, reduced energy efficiency by some 50% AND removed direct power transfer as backup. Sounds very promising!