ado a20 electric folding bike 20 inch city bicycle 250w hall brushless gear dc motor shimano 7 speed rear derailleur 36v 10 4ah removable battery 25km h max speed up to 60km max range ipx5 double shock absorption aluminum alloy frame white
ado a20 electric folding bike 20 inch city bicycle 250w hall brushless gear dc motor shimano 7 speed rear derailleur 36v 10 4ah removable battery 25km h max speed up to 60km max range ipx5 double shock absorption aluminum alloy frame white