Specification Motor Model: MOTOR BM1109 Material: Aluminum, Copper, Rubber Motor Type: High-speed Bldc Brushless Motor Motor Output: 3000w Motor Rated Speed: 4900r/Min 6600rpm (Max) Motor Diameter: 107mm/4.21in Distance Between Two Motor Screw Holes: 9.5cm/3.74in Motor Rated Torque: 5.44n. M Motor Application Chain: T8f Sprockt / Chain Controller Power: 3000w Controller Voltage: 60-72v Dc Controller Current: 80a Controller Mosfet: 24wf Controller Turn Under Voltage: 0.8-4.2v Brake Potential: High Level Brake/Low Level Brake Kit Weight: About 8kg/17.63lbs Package Included 1Brushless Motor 1Controller 1a Pair Handlebar Throttle. 72V 3KW BLDC High Speed Electric Brushless Motor Conversion Kit Speed Controller. Motor Kit Uses an All-copper Motor, Which Is Quieter, Smoother, and More Durable than Brushed Motors. The Output Power of the All-copper Motor Is 3000 Watts and the Maximum Speed Is 6600rpm. And the Controller of This. Motor Kit Has Three-speed Control of High, Medium, and Low Gears, and Also Has a Reverse Function. Such a Powerful, Stable, Low-noise. Motor Kit Is a Good Partner for Your Scooter, Electric Bike, Go-kart, Electric Bicycle, Electric Tricycle, Etc. The Body of the Motor and Controller Is Made of High-quality Aluminum, Which Is. Of Aluminum Can Extend the Service Life of This. Motor Has a Rated Speed of 4900rpm and a Maximum Speed of 6600rpm. Such an Excellent High-speed Motor Can Provide Sufficient Power for Your Electric Bicycle. The Controller of This. Motor Kit Has High, Medium, and Low Three Speeds, Which Can Adapt to Different Speed Requirements. Motor Does Not Have the Electric Sparks Generated by the Brush Motor Operation, so Its Operation Is Smoother and Quieter. The Handle Is Equipped with Back and Forth Running and Gear Conversion Buttons, You Only Need to Gently Press the Button to Complete the Running Direction and Running Speed Conversion, Which Is Very Easy and Convenient. The Coil of This. Motor Is Made of Copper. Since Copper Wire Has less. Than Aluminum Wire, the Pure Copper Motor Is More Energy-saving and Durable. Motor Has an Output Power of 3000 Watts and a Torque of 5.44n. The Powerful Power Can Provide Sufficient Power for Your Electric Car to Drive Easily. M Torque Allows You to Climb Hills Easily. Multiple Heat Dissipation Holes. The Front and Rear Belts of the Motor Are Equipped with Multiple Heat Dissipation Holes to Help the Motor Dissipate Heat in Time. An Excellent Heat Dissipation System Makes the Motor Run More Stable. The Handlebar Throttle of This. Motor Kit Adopts an Uneven. Design, Which Makes It Not Easy to Slip off. The Handlebar Throttles Are Made of High-quality Plastic, Rubber, and Aluminum. Soft Rubber Makes the Handlebars Comfortable to Touch. Sturdy Aluminum and Plastic Make the Handlebar Throttle less Prone to Damage. The Body of the Controller and Motor Is Made of High-quality Aluminum, Which Is Strong and Durable. Motor Kit Is Suitable for Electric Scooters, Motorcycles, Electric Bikes, Go-karts, Electric Bikes, Motorcycles, Electric Tricycles, Mid-engine Kits, Complete Sets, Diy Engine Systems, Bicycle Accessories, Etc. Material: Aluminum, Copper, Rubber. Motor Type: High-speed Bldc. Rated Speed: 4900r/Min 6600rpm (Max). Distance Between Two Motor Screw Holes: 9.5cm/3.74in. Rated Torque: 5.44n. Application Chain: T8f Sprockt / Chain. Turn Under Voltage: 0.8-4.2v. Brake Potential: High Level Brake/Low Level Brake. Kit Weight: About 8kg/17.63lbs. 1a Pair Handlebar Throttle. Please Allow the Slight Color Difference Caused by the Shooting Light and 1-3cm Error Due to Manual Measurement. Please Make Sure You Do Not Mind Before You Order. France, Germany, spain, Italy. Feedback is very important to us. It is impossible to address issues if we do not know about them! Please keep the original box or packaging within 15days since item received. Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.