... bike,E-scooter 4.CE Rohs CCC certificate 5.Lithium battery Electric bicycle parts ( Kit92-tubeLED ):1.Feature:High ... wheelSingle speedCable Locationshaft center,rightSpoke specification12G,13GColorSilver,blackNoise≤55dbNet Weight≤3.3KgHall SensorOptionalSpeed SensorOptionalSalt fog test (h)24/ ... rear wheel with the one provided b.Fasten the controller,battery and other small parts c.Replace the brake ...