LUBU Front Rear Electric Conversion Kit bicycle modified electric booster road electric motor wheelset Mountain Folding

250w standard battery, Can add rm200 upgrade to 350w speedVolt/AH : 36V 9AHBattery spec:18650 lithium batteryCharging interface Type-c (can charge phone)Charging standard 110V-220VCharging time 3HBattery weight: 1.35kgQuick Release only can fix (non thru axle)1 Years WarrantyNotes on use:If you do not ride or use the battery for a long time, please fully charge it and turn off the battery for storage, or charge it every two weeks to avoid over-discharge of the battery affecting its use and causing unnecessary costs.Note:Weight: Motor 2.56kg. Battery 1.35kg, after modification, the weight increased by about 3.9kgSupport size: 16 inches/20 inches/24 inches/26 inches/27.5 inches/29 inches/700CIf you need other sizes, please contact online customer service