... 28 inch electric bike BLDC front wheel motor QMWB 16,18,20,22,24,26,28 inch electric bike BLDC front wheel motor QMWBNOTICE: ... Model:QMWBvoltage:36Vpower:180-250Wspoke hole diameter:130mmSpeed:175-330rpmefficiency:80%wheel size: ... PLACING ORDER.BLDC geared permanent magnet motor 16,18,20,22,24,26,28 inch electric bike BLDC front wheel hub motor