48V 750W Bafang BBS02 Mid-drive Conversion Kits. Please check whether the width of your bike Bottom Bracket is 68mm/73mm (if your bike BB width is 73mm, need to use 73mm screws). With an integrated PAS, this mid-drive motor has a rated power of 750W, a reduction ratio of 1: 21.9 and a maximum torque of 120 N. M, will provide the rider with great explosive force when starting the system. Highly strong and efficient, this motor greatly enhances riding joy and is suitable for mountain bikes and sand bikes which are the favorites of riders who love challenges as well as transport bikes. This motor is black. BBS02 48V 750W Mid-Drive Motor: 1 pc 2. C961/800S(C965)/500C/600C/SW102/TFT850C/TFT750C/TFT760C/DP-C18 Display : 1 pc 3. Brake Levers: 2 pcs 4. Thumb Throttle: 1 pc 5. Waterproof Quick Release Wires: 1 pc 6. Speed Detecting Sensor + Magnet: 1 pc 7. 46T/44T/48T/52T Chain wheel + Chain Cover or 36T/42T Aluminium Chainwheel (Optional): 1 pc 8. Left Crank + Right Crank: each 1 pc 9. Fixing Plate: 1 pc 10. M510 Nuts: 5 pcs 11. M612 Nuts: 2 pcs 12. M33 Nuts: 2 pcs 13. ST 3.9 Nuts: 5 pcs 14. Installation Tools: Bafang Wrench, Puller, Gloves, 73mm spare screws (for 73mm BB bike use) 15. Other Free Parts: Front Light Specification: 1. Motor Weight: 4.3kgs 4. Bottom Bracket Width: 68mm (Suitable for 68mm length BB Bike Modification) 5. Working Temperature of Display: – 20? – 80? . Speed under Load (RPM). Motor Net Weight (kgs). Total Net Weight (kgs). Total Gross Weight (kgs). 6V 3W (except 1000W). Batteries for Bafang BBS02.