Motor: Rated Voltage:48V Rated Power:2000W Rated Speed:about 55-65km/h RPM:464-537 RPM TorqueN. M:91-94.6 N. M Front Fork(mm):100mm Rear Fork(mm):135-142mm Brake Type:V/Disc Brake Type:Brushless gearless hub motor Installation location:Rear wheel Spokedwith double-wall Aluminum alloy rim with 36 eyelets, stainless steel spokes Load? 200KG Wheel size:26 inch 27.5inch Type :LCD Display Color :Black Voltage :24V 36V 48V universal Cable length :About 180cm(SM) Plug :5 Pin SM plug. Controller: Dimension :236 88 42 mm Weight :800g Cable length :all about 10-13cm Mosfets:18 mosfets Maximum current :50±1A Rated voltage :DC48V Speed set :1-4.2V Rated current :25A Brake input :Low-Level Low voltage protection :DC30/40±0.5V. 130X Throttle (Default): Type:130X Thumb Throttle Voltage:12V 24V 36V 48V 52V 60V 72V Wire length:180cm(SM) Weight :100g Waterproof :IP76 Plug Type:3 Pin SM plug Color :Black Installation:Right Apply to:E-bike, E-Scooter, Ebike Conversion Kit Function:E-bike accelerator Finger Thumb Throttle.