M Maximum efficiency: >=88% Wheel diameter: Approx. 20in Wheel width: Approx. 4in the rear drive is 170mm. 20 Inch 48V E-bike Conversion Kit Rear Wheel Electric Bicycle Hub Motor Set NEW. This 1000-Watt High-power E-bike Conversion Kit Is Designed for Those Looking for Speed and Passion. Equipped with a 20-Inch Motor Wheel, It Can Easily Conquer Various Road Conditions. The Ultra-clear Display Shows Real-time Power, Speed, and Mileage. Whether You Are Commuting to the City or Exploring the Outdoors, You Can Enjoy the Fun of Riding As You like. The Product Is Mainly Made of Aluminum Alloy, Which Is. Rustproof, Impact-resistant, and Wear-resistant. And Can Maintain Excellent Performance for a Long Time, with an Ip52. Motor with a Rotation Speed of up to 480rpm Can Provide You a Maximum Riding Speed of About 21.75-24.85 Mph, and Is Suitable for Commuting and Short-distance Riding of Ordinary Bicycles. With a Built-in Hall Sensor and a Controller for Precise Speed Control, Your Ride Will Be Easier and More Enjoyable. With a Torque of up to 40n. M and the Ability to Climb Slopes from 10° to 15°, the Kit Allows Your Bike to Adapt to More Terrains in Your Daily Life, Giving You More Freedom in Your Travels. High-class Material and Well-crafted Wheel Hold up to 220.46 Lbs Without Worrying About Warping or Collapsing. The Pas Allows You to Ride Your E-bike Without Throttle Response. You Can Also Operate the E-bike with Your Feet to Avoid Uncomfortable Wrist Positions. Its Controller Is Equipped with Overheat Protection and Overcurrent Protection, Greatly Improving the Safety and Extending the Service Life of the Product. Customer Service: We Aim to Provide Quality Products and Services. We Will Reply and Solve the Problem for You As Soon As Possible. They Can Be Mounted on the Bike Handlebars to Give You a More Comfortable Grip. It Can Display Speed, Mileage, 5-Speed Classification, Power Assist, Maximum Speed, Average Speed, Total Mileage, Battery Level Display, Etc. This Product Is Suitable for a 20” Bike Frame, Diy Electric Bikes, Electric Folding Bikes, and so on. Brake Type: Disc Brake. Motor Rotation Speed: 480rpm. Maximum Load: 100kg/220.46lbs. Cable Size: 2.5mm². Front Drive Opening: 135mm/5.31in. Rear Drive Opening: 170mm/6.69in. Maximum Speed: About 35-40km/H / 21.75-24.85 Mile/H. Wheelbase: 1014mm/0.390.55in. Magnet Height: 27mm/1.06in. Tire Diameter: 50.8cm/20in. Package Size: 515128cm/20.0820.0811.02in. Gross Weight: 10.9kg/24.03lbs. 1 Set Brake Handles. 1 Pair Protective Handlebar Covers. All Accessories for Use. Please Check the Style and Size Before Purchasing. Please Read the Instruction Manual Completely Before Installation and Use, and Pay Particular Attention to the Safety Instructions Included. Please Note That Riding Speed Is Related to Factors Such As Road Conditions, Battery Conditions, Load Capacity, Wind Speed, Etc. The Data We Provide Is for Reference Only. Please Note That Batteries Are Not Included in This Product, so Please Prepare Your Own. Please Allow the Slight Color Difference Caused by the Shooting Light and 1-3cm Error Due to Manual Measurement and Make Sure You Do Not Mind Before Ordering. 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. 10 mm 14 mm.