Bafang BBS01B 36V 250W Brushless Motor Central Motor DIY Electric Bike Modifition Kits with Built-in Controller Variable Speed

Specification: Brand Bafang Model BBS01B Item Electric Bicycle Modification Kits Voltage 36V Power 250W No-load Speed(Rpm) 83/87 On-load Speed(Rpm) 78/83 Max Torque(N.m) 80 Motor Net Weight(kg) 3.98 Total Net Weight(kg) 5.37 Total Gloss Weight(kg) 6.12 Pole Number(2P) 16 Position Built-in Wheel Diamater(Inch) Optional Rated Voltage 36/48 Bottom Bracket Length 68 mm Suitable Bike Size 19- 26 Inch Structure Gear Drive Waterproof Grade IP 65 Efficiency 80% Working Temperature -20~45C dB Less than 55 Power Sensor Speed Sensor Magnet Number(Pulse/Circle) 1 Certification CE/EN 14764/ROHS Corrosion-proof grade(h) 96 Gear reduction ratio 1:21.9 Axis Standard JIS Color Black Features: Intelligent DC motor system. Effective torque, continuation and power. Light and take up little space. Easy to assemble. Suits for mountain bike, folding bike, touring bike. Applicable to 90% bikes(19-26inch). Built-in controller. 5 Variable speed gear. With Vehicle speed sensors, power brakes, trigger shifters. Package Included: 1. Crank 2. Chain Wheel 3. Speed Sensor 4. Power Brakes 5. Trigger Shifters 6. Motor 7. C961 Gauge