Speed: Pedal Assist: 28 mph Throttle: 20 mph, Thumb Throttle (Class 3) Motor: Bafang® 500W 48V Brushless Rear Hub Motor Pedal Assist: 5 Levels Range: 30 Miles Battery: Lithium-ion 46.8V, 13.6Ah (636.4Wh) w/ LG® Cells Frame: 6061 Double-Butted Aluminum Alloy w/ Internal Battery Tires: Kenda® Kwick Seven-5 Sport 27.5 x 2.2 Handlebar: Zoom VLG-649 Aluminum 31.8, 15-Degree Sweptback Brake: Bengal® Ares 3E Hydraulic Disc Brake Shifter: Shimano® 8-Speed SL-M310 Derailleur: Shimano® RD-M310 8-Speed Weight: 62lbs Serfas© E-Bike Warranty Policy (PDF) Serfas® eDASH 500W Owner’s Manual (View PDF)