Trail engineered full-suspension performance, designed from the ground up to rock your world. SONDORS Rockstar is a top class flow machine, perfect for charging that climb you used to hate, and dialed-in for the descents you love. The first ever SONDORS dual-suspension electric mountain bike with 750 watts of hill-flattening power from our new mid-drive motor, combined with 21 amp hours of ride-extending energy with our biggest battery to date. Rockstar Range 40-60 miles* Speed 28 MPH+ Motor 750 Watt Mid-drive Motor Controller Integrated 25 Amp Tires Maxxis® 27.5 x 3.0" Wheels Aluminum rims with sealed bearing hubs Crank Set Integrated Mid-drive w/ 48T Lights Integrated LED Headlight and Tail Light (will be available as an accessory) Battery New, 48 Volt, 21 Amp Hour, Lithium-ion battery with genuine LG 3500 cells. The largest battery ever in a SONDORS. Throttle Thumb throttle for those times you don't feel like pedaling Brakes Tektro hydraulic Disc Brakes Frame Custom Forged and Machined Aluminum Gears 11-speed with Trigger Shifter Pedal Assist Gearsensor Intelligent torque limiting gear sensor for smooth effortless shifting even under heavy load. Charging 3A Smart Charger Included Seat Premium ergonomic gel Handlebars Premium ergonomic Rugged Compact Display Great Daylight Visibility and Includes USB Port Total Weight 65 lbs Standover Height 30.9” Seat Height 31 - 36.8” Load Capacity 300 lbs