YVY E-Mountain Bike 20" Tire Electric Bike 15.6Ah/20Ah/40Ah Brand New 37MPH Pro
K20 Lite (YVY C20 Lite / Q20 Lite) K20 Standard (YVY C20 / Q20) K20 Pro (YVY C20 Pro / Q20 Pro) high speed Dual motor + 40AH battery. high speed motor + 20AH battery. Battery: 48V 20Ah lithium-ion (removable, lockable).