Airecho.STORE Bafang 8fun 48V 500W BBS02B Mid Crank Drive Motor Kits With 48V 17AH Lithium Battery C961 C965 Electric Bike Conversion Parts With an integrated speed sensor, this mid-drive motor, which is compatible with standard bikes, has the rated power of 500W , a reduction ratio of 1: 21.9, providing ideal power for vehicles. Light but strong and efficient, this motor greatly enhances riding comfort and is suitable for touring bikes and commuter bikes. Packaging included: 1 *48v 500w Bafang Mid Drive Motor 1 Pair * Brake Level 1 Pair * Crank 1 Pair * Chainwheel (opition) 1 Set * Thumb Throttle 1 Set * Speed Sensor 1 * Display (opition) 1 * 4 in 1 Cable 1 * Accessories 1 * 48V 17AH Battery BB Length: 68mm (Suitable for 68mm or 73mm length BB Bike Modification) Photo: Mid drive motor smart drive system climbing 50 5 levels gear shift data display easy to install what's the advantage? compare with the hub motor,much advantages: torque add 40% efficacy add 10% endurance add 10% mid motor preferred abandon the disadvantages of traditional motor, easy to ride,install and repair specifications of mid motor: 1000w size 250/350/500/750w size BBS01B/02B 68-73MM Application BBSHD 68-120MM Application BBS01B/BBS02B type : 44T 46T 48T 52T size: 7.1" 7.5" 7.8" 8.5" Electric Bike Battery Specifications: Nominal Voltage: 48V Nominal Capacity: 17Ah Composed Type: 13Series 5Paralles 13S5P Cells:18650 3.7V 3400mAh Power Cells BMS: 30 Amp continuous 70±10Amp maximum Fit Motor Power : 48V 350W 500W 750W 1000W Charge Current: 2-5A Charge Cut-off Voltage: 54.6V Discharge Cut-off Voltage: 39V Discharge Temperature: -20 to 65°C Charge Temperature: 0 to 45°C Dimensions: 90*110*360mm Battery Weight: 4.5kg Cycle life: ≥80% capacity after 800 cycles Photo: package list: If there are force majeure and special reasons, Delivery Time Will be delayed. You may be charged customs duties and taxes for something purchased online. Buyers are responsible for custom taxes. We will write $10-15 in invoice for customs clearance to avoid of high tax, if you have special requirement, please leave a message when place order. Warranty & Return Policy We guarantee satisfaction for honest and reasonable buyer. If the item is damaged on arrival, please be cooperative to take photos or videos on the problem and send to us for verifying. For confirmed product faulty on your approval, we can send you replacement parts free of charge, We will bear the shipping charge.. We don't responsible for any physical damage or damage is / are result of buyer misuse, Buyer is responsible to pay return shipping fee. Feedback Dear buyers, we appreciate your business, if you are satisfied with our service, please leave us a positive feedback and rate the details of the transaction (Detailed Seller Ratings) with a "PERFECT 5 STARS". When you rate the shipping time part please take international transit into consideration. Your recognition will make us more confident to develop business and serve you better. Our goal is to make sure you are a happy buyer and pleasant shopping with us. Please email us before leaving any 1 or 2 ratings, negative feedback. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues. Please give us the opportunity to resolve any problem. Contact Us Please allow 12 hours for us to response, If you do not receive any reply from us, please check your email ensuring your mailbox is not full. Due to some ISP SPAM filter settings,you may not be able to receive our replies; if you have problems receive our emails,you may need to use a different email account to contact us. We appreciate your communication and we will try our utmost to solve any issues there may exist. You may like: 
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