Material: 6061 aluminum alloy Tires Size: 20 x 3.0 inches Motor: 1125w（peak）, 750w（rated）hub motor Torque: 75 N.m Battery: 52V13Ah Lithium-Ion Battery Max Speed: Throttle mode-20MPH (32KPH) , Pedal-assist mode-28MPH (45KPH) Max Mileage: 28 Miles or 45 KM (Throttle mode) 84 Miles or 135 KM (Pedal assist mode) Brakes: Mechanical disc brake (180 mm rotors) Transmission System: Shimano 7 speed Charging Time: about 6.5H Bike Weight: 68.3 lbs or 31 kg Gross Weight: 84.6 lbs (38.4 kg) Maximum Load: 264 lbs (120 kg) Rider Heights: 5.4-6.2 inches or 165~190 cm   What’s in the box? L20 2.0 E-bike *1 (Without Front Rack) 52V13Ah Lithium-Ion Battery *1 Battery Charger *1 Assembly Tool kit *1 Pedals *2 English User Manual *1   FAQs Q1: L20 2.0 User Manual Please click here to view the L20 2.0 User Manual. Q2: How to assemble L20 2.0 e-bike: Please click here to view the instructional bike assembly video for the L20 2.0. Q3: How to change between KM and Miles in the L20 2.0 e-bike display: Please click here to view the instructional video on switching between units of measurement. Q4: How to restore to factory default: Please click here to view the instructional video on resetting your e-bike. Q5: L20 2.0 E05 Brake fault code troubleshooting Please click here to view the video. Q6: How to disable the throttle on the L20 2.0? Please click here to view video steps. Q7: How to activate the throttle of the L20 2.0 e-bike? Please click here to view video steps. Q8: How do I set the speed limit of my L20 2.0 to 25 km/h? Please click here to view the step-by-step video. Q9: How do I increase the speed limit of my L20 2.0 e-bike to 45 km/h? Please click here to view video steps.