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Powerful Torque Output: Bafang mid-drive motors can deliver a strong torque of up to 80Nm to 160Nm, which makes the bicycle perform excellently in climbing hills and accelerating. High Power Output: The motor can provide a rated output power of 250W to 1000W, meeting the needs of various cycling scenarios. Compact Design: The motor is designed to be compact, taking up little space, and is easy to integrate into the bicycle frame. High Compatibility: Bafang mid-drive motors can be combined with a variety of products to form complete drive systems, such as DPC18.CAN displays and high-power batteries, offering a range of complete system configuration solutions. Optimized Waterproof Performance: The mid-drive motor has also optimized its waterproof performance, enhancing reliability in adverse weather conditions. Should you have any more questions or need further assistance, feel free to ask. Happy riding! MotorSpecification: Motor Model:BBS02B Bafang Model:M315 MM G340.500.C Voltage:48V Rated Power:500W Efficiency: >80% PAS SENSOR: Speed sensor Motor Weight: 4.3 kg Connector: Waterproof IP-Code: IPX5 No Load Speed(RPM) :126±7 Load Speed(RPM):118±6 MAX Torque:100 N.m Top Speed:40km/h Noise: <55dB Cerifications: CE/EN 14764/ROHS Reduction Ratio: 1:21.9 Gear sensor Function:Yes (The gear sensor is not included, need to purchase it separately) Packing list 1 Pcs * 48V500W 68mm Bafang Mid Drive Motor 1 Pcs * Display(Optional) 1 Pair * Crank 1 Pair * 36T/42T/44T/52T Chainwheel(Optional) 1 Pair * Brake Lever or Hydraulic Brake Sensor( Pls leave a note if you want brake sensors) 1 Set * Thumb Throttle 1 Set * Speed Sensor 1 Pcs * 1T4 cable Accessories： User Manual Wrench tool Battery Optional: Battery Charger Keys (Note: Battery is optional for your choice. If you choose " No Need Battery", the order will not come with the battery and the charger, thank you.) Attention The maximum voltage that this motor is designed to withstand is 48V. It is imperative that the motor be powered exclusively by a 48V battery to ensure optimal performance and prevent any potential damage. The motor is compatible with bottom brackets that have an outer diameter ranging from 68 to 73mm and an inner diameter of 34 to 36mm.(The motor kits do not include screws for 73mm.If your bike is 73mm bottom bracket, pls contact us for sending the screws.Thank you.) The 48V500W Bafang Mid Drive Motor represents the latest generation of our product line. It is equipped with two connectors intended for a gear shift sensor and a 6V light, facilitating a straightforward installation process and enhancing the motor's capabilities. Please note that the gear shift sensor is not included with the motor and must be purchased separately. Feed Back Your satisfaction is our priority, and we are committed to providing you with the best possible service. We value your 5-star feedback and are always ready to assist you with any issues you may encounter. Warranty Regarding the warranty information, we offer a one-year warranty against defects and damage during transportation for our motors and batteries, with the exclusion of physical damage and misuse. For accessories, we provide a one-month warranty period. In terms of warranty service, we offer free repair within one year from the purchase date. The buyer is responsible for covering the return postage, while the seller will cover the resend postage. Payment Please note that additional costs may apply for deliveries to remote areas. Return Our return and refund policy requires that returns be initiated within 14 days of receiving the item. The buyer is responsible for the return postage, and it is essential that the items are in their original, unused condition. For your convenience, local return addresses will be provided.