Electric bicycle BAFANG BBS02B 48V 500W Mid Drive Motor Conversion Kit DIY Gift. 48V 500W Bafang Mid Drive Motor. Brand: Bafang Model: BBS02B Type: Brushless Gear Motor Voltage: 48V Wattage: 500W Color: Black Net Motor Weight: 4.2kg Position: Mid Crank Motor Bracket Bottom Length: 68mm(bottom bracket width shall be 68-73mm) Waterproof Grade: IP65 Certification: CE/EN/ROHS Working Temperature: -20-80C Controller: Integrated Inside the Motor Controller Current: 18 Applicable: Mountain Bikes, Road Bicycles, Sand Bikes, Folding Bike, Fixed Gear Bicycle, etc With an integrated speed sensor, ...