Latest Bafang/8fun Brushless Geared Mid-Drive Motor Conversion Kits, controller integrated, If you want to know how you can spend a lot of money on an electric bike and get the ultimate in efficiency and performance this is a good start. MID drives are not the easiest or the cheapest electric bikes to build, but can be the cream of the crop once you are out riding, especially off road, especially climbing hills or even mountains...... With an integrated speed sensor, this mid-drive motor, which is compatible with a 68mm bottom bracket, has a rated power of 750W, a reduction ratio of 1: 21.9 and a maximum torque of 160 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. Mid-Drive Motor Conversion Kits Included: 1. 750W BBS03 Mid-Drive Motor: 1 pc 2. LCDTFT850C 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. Chain wheel (46T): 1 pc 8. Left Crank + Right Crank: each 1 pc 9. Fixing Plate: 1 pc 10. M5*10 Nuts: 5 pcs 11. M6*12 Nuts: 2 pcs 12. M33 Nuts: 2 pcs 13. Anderson Plug Power Cable: 1 pcs Specification: Position: Mid Drive Motor (Bottom Bracket) Construction: Geared Motor Nominal Voltage: 48V Rated Power: 750 W RPM: 130-150 Max Torque: 160 N.m Efficiency: ≥ 85 % PAS SENSOR: Speed sensor Shaft Standard: JIS Motor Weight: 4.8 kg Box Dimension: 53x27x26cm Gross Weight: 8.6kgs Tests & Certifications IP-Code: IP 65 Certifications: CE / UL / ROHS EN 14764 48V 750W Warranty: One year quality warrantyBafang