Key Features High-quality Material: The motor wheel is made of good performance aluminum material that is strong and durable. Every part of the conversion kit is made of high-quality workmanship, which makes it safe and durable.  High Power: This product is equipped with a 1500W brushless and toothless gear motor, which is powerful and can reduce noise.  Powerful Controller: This product is equipped with a powerful controller that is the brain of the electric bike to ensure the smooth operation of other components.  Two Types of Handlebars: This bike conversion kit comes with two types of handlebars. In addition to the normal handlebar, there is also a power-off brake handle that gives you a double guarantee of safety.  LCD Function: This LCD can show speed, mileage, power, and fault so that you can grasp the status of the bike in time.  High-speed Riding: With a maximum motor speed of 55 km/h at no-load, you can enjoy the exciting experience of riding at high speed.  Application This bike kit fits 26-inch bikes.  Specifications Wheel Material: Aluminum Color: Black Specific Uses For Product: Road Suspension Type: Rear Special Feature: Electric Voltage: 220V Output Voltage: 48V Power: 1500W Rotational Speed: 500rpm Torque: 50N.M Motor Speed: 55km/h Gross Weight: 12.5kg/27.56 lbs Net Weight: 11.5kg/25.35 lbs Package Size: 60*60*23cm/23.62*23.62*9.06" Suitable Wheel Size: 26*1.75-2.125inch  Flywheel Diameter: 242mm/9.53" Package Included 1* Motor Wheel 1* 7-speed Flywheel 1* Controller 1* LCD Display 1* Ordinary Throttle 1* Pedal Assistant Sensor 1* Power-off Brake Lever 1* Controller Bag 1* English Manual All Accessories for Assembly  Notes 1.This set does not include tires and needs to be purchased by the customer. The suitable tire size is 6*1.75-2.125in.