This default motor is with thread, fitting for thread freewheel. If you need the rear cassette motor, please kindly message us. Suitable for V Brake and Disc brake. Dropout: 100mm(front wheel)/ 135-142mm(rear wheel).Max speed, RPM & torqur as below. 36V 250W: 20-27km/h, 300 RPM, 20-30 N. This kit comes with all the necessary parts you need- motor wheel, controller + bag, display, half twist throttle, brake lever, PAS and winding pipe, except battery and charger. 36V 250W/ 350W/ 500W KT Controller: rated current 10A, max current 20±1A, dimension 94x62x36mm.
48V 500W KT Controller: rated current 12A, max current 25±1A, dimension 125x66x40mm. 1 PCS 36V 250W/ 350W/ 500W or 48V 1000W/ 1500W hub motor with rim and spokes. 1 PCS 36V or 48V controller with bag.1 PCS KT LCD3 Display. 1 PCS Half twist throttle (If need the thumb throttle, please message to us). 1 PAIR Power cut off brake lever If need the hydraulic brake sensor, please message us. If need the hydraulic brake sensor, please message us. Please leave a message to us. Half twist throttle with key. Twist throttle (if need, please leave a message to us). BZ-4(8)- 8 magnets PAS. KT-D12- 12 magnets PAS If 12 magnets PAS is required, please message us. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Electric Bicycle Components". The seller is "cscwheels" and is located in this country: CN. This item can be shipped worldwide.