Amazon.com : Vivi Electric Bike for Adults Foldable 500W Electric Mountain Bike 26'' Ebike 20MPH Electric Bicycles with 48V Removable Battery, Up to 50 Miles, Professional 21 Speed, Dual Shock Absorber :
Rampage 1000w Electric Mountain Bike | Rambo Bikes
Amazon.com : Vivi Electric Bike for Adults, 500W(Peak 750W) Ebike 26" Electric Mountain Bike, 20MPH Adult Electric Bicycles Commuter Ebike with 48V Removable Battery, Up to 50 Miles, Cruise Control, 21 Speed :
Hyper Bicycles 29" 36V Electric Mountain Bike for Adults, Pedal-Assist, 250W E-Bike Motor, Black - Walmart.com