Easy To Install And Use: The Motor Output Shaft Adopts 14 Gear Output Shaft, Smooth Appearance, Easy To Install, Standard Gear Groove, Stable Operation; The Rear Shell Is Installed With Heat Dissipation Air Cover, Better Heat Dissipation Performance, Effectively Increase The Length of Motor Use. High-Quality Materials: This Durable Electric Tricycle Mid-Mounted Motor Adopts Thickened Aluminum Alloy Shell, Wear-Resistant, Strong Bearing Capacity, Durable And Longer Service Life. Adopting Thickened Tile Magnets, With Sufficient Materials, Strong And Powerful. Pure Copper Coil: The Copper Wire Is Made of Thickened High-Temperature-Resistant Copper Wire With Low Resistance And Strong Conductivity, Which Generates Little Heat In The Process of Use, Saves Energy, Does Not Burn The Motor Directly, And Extends The Service Life of The Motor. Low Noise: This Product Adopts Smooth-Running Brushless Motor And High Hardness Output Shaft, Lower Noise When Using, Creating A Quieter Working Environment For You. Wide Range of Application: This Dc Brushless Center Motor Is Suitable For Many Kinds of Electric Tricycles, Cargo Electric Vehicles, Go-Karts, Sightseeing Cars, Modified Cars, Express Cars, Elderly Scooters, Electric Four-Wheelers And Other Driving Equipment. Features-1--The Shell of This DC Brushless Mid-Motor Is Thickened Aluminum Alloy, Which Is Wear-Resistant And Has A Strong Bearing Capacity.2--Adopting Smooth Running Brushless Motor And High Hardness Output Shaft, The Noise Is Lower When Using.3--Adopting High Quality High Temperature Resistant Copper Wire, Pure Copper Core Winding, Good Thermal Conductivity, Energy Saving And High Efficiency, Long Lasting And Durable.4--The Rear Shell Adopts Heat Dissipation Air Cover, Better Heat Dissipation Performance, Effectively Increase The Length of Motor Use.5--Adopt High-Precision Rotor, Thickened Tile Magnets, With Sufficient Materials, Strong And Powerful.6--Suitable For Electric Tricycle, Cargo Electric Car, Sanitation Car, Sightseeing Car, Go-Kart, Modified Car, Express Car, Elderly Scooter, Electric Four-Wheeler And Other Driving Equipment.---Name:Electric Tricycle DC Brushless Center MotorPower: 550w / 700w / 800w / 1000wVoltage: 24v / 48v / 60vSpeed: 500r/MinEfficiency: 84.5%Gear Number: 14 TeethCoil Material: Pure Copper CoilShell Material: Aluminum AlloyWeight: 4.4kg-6.1kgContents:Motor X 1