Please scroll down to order. Online Catalog : Bicycle Motors - Eledtric ElectraDrive Rear Conversion Kit Includes rear wheel, 450 watt rear wheel drive system, thumb throttle, battery gauge, rear rack mount battery system, charger and mounting hardware. FREE SHIPPING Price:  $299.95 16" Wheel Size ElectroHub 14mph, silent 600 watt, 36 volt, brushless motor. Includes thumb throttle, controller, battery pack, battery rack, charger and motorized wheel Price:  $394.95 20" Wheel Size ElectroHub 16mph, silent 600 watt, 36 volt, brushless motor. Includes thumb throttle, controller, battery pack, battery rack, charger and motorized wheel Price:  $394.95 24" Wheel Size ElectroHub 18mph, silent 600 watt, 36 volt, brushless motor. Includes thumb throttle, controller, battery pack, battery rack, charger and motorized wheel Price:  $394.95 26" Wheel Size ElectroHub 20+mph, silent 600 watt, 36 volt, brushless motor. Includes thumb throttle, controller, battery pack, battery rack, charger and motorized wheel Price:  $394.95 700c (Metric) Wheel Size ElectroHub 20+mph, silent 600 watt, 36 volt, brushless motor. Includes thumb throttle, controller, battery pack, battery rack, charger and motorized wheel Price:  $394.95 Online Catalog : Bicycle Motors - Eledtric Please scroll down to order.