This is a very strong hub motor kit using the larger direct drive 500W motor. It is extremely robust and provides great power and speed. The 36 volt battery uses PANASONIC lithium ion cells and has a capacity of 9Ah, this gives a range of about 25km for most riders. All up, the kit weighs 9kg. Click here to see a range of bicycles made using this kit. This conversion kit contains the following: Electric motor in rim, controller, thumb throttle, twist grip throttle, 36V 9Ah PANASONIC lithium ion battery, 36V battery charger, torque bar, disc, cable ties, assembly instructions. It is available in 26″ and 700c rims. An installation video can be seen here. Online purchases can be made through the PayPal link below, delivery is free to anywhere in Australia.