BAFANG M625 Mid Drive Motor : Newest 50.4V 750W Electric Bike DIY Conversion Kit with 19.6Ah Battery & DPC181 Bluetooth Display, New BAFANG 8FUN Mid Drive Kit for 100 mm Bottom Bracket

Compatible with 68mm and 100mm bottom bracket Fit on bikes ?27.5" Smaller size , more beautiful and compact eBike DIY conversion kit More comfortable & safe with the moderate accelerating function Check & share riding data to your firends with DPC181 Bluetooth display Battery with communication protocol delivers real-time & accurate electricity to the display Large capacity 19.6Ah battery and 4A fast charger Hoops help installation of motor and battery Beautiful & Compact DesignHoop for Installation - Stable & Safe & SimpleNewest Powerful Mid Drive MotorMade of humanized, premium and friendly MaterialLighter Speed Sensored MotorWaterproof DPC181.CAN Bluetooth DisplaySpeed display - Top / Average SpeedBattery Capacity IndicationAutomatic Sensors Explanation of the Lighting SystemIndication of Assistance SupportMileage ShowBattery with Large CapacityComes with a 4A Fast ChargerWith Communication Protocol - Accurate & Real-time Battery Capacity IndicationTwo Hoops Help Easy InstallationOnly fits bikes ?27.5"