Motor Type: BLDC Outrunner Hub Motor with Hall Sensor 
Motor Design: Dual Axle with 12inch Rim (One Piece) 
Rim Size: 12x3.5inch (Default Narrow Tire), Matching Tire: 130/90-12, etc. 
Attachment: 12*5.0inch Wide Tire need to add another $15.0/PCS. 
Magnet Height: 35mm, 16 Magnet Pair 
Stator: Stator: Aluminum Core
Rated power: 2000W 
Speed: 30KPH-90KPH, customizable, generally designed for 72V75KPH. 
Operating voltage range: 48V-96V, default is 72V. 
Maximum torque is about 195.0N.m 
KV: 8.5/10.0/11.87/16.25/21.46 (optional) 
Thermistor probe: KTY83-122 (default, optional) Maximum efficiency is about 88.0N.m. Thermistor probe: KTY83-122 (default, optional) , optional) 
Maximum efficiency approx. 88% 
Brake type: Disc brake (default), PCD3*80mm-M8, CB 58mm 
Extension length: 200mm (customizable 230mm) 
Dual corridor with waterproof connector (one spare in case of damages) 
16mm² phase cable 
Waterproof rating: IP54 
Color: Black (default)