STACYC 20hDRIVE - Go Together, Grow Together. The STACYC 20hDRIVE is the first STACYC bike built for adults, designed to bring families together on two wheels. Whether pedaling with assistance or twisting the throttle up to 20 MPH, the 20hDRIVE delivers the power, range, and convenience to help you ride longer and make more memories with your little ripper! With a 500W brushless hub motor, two STACYC 36V 6Ah batteries, and three speed modes, the 20hDRIVE is built to perform. Plus, the proprietary aluminum frame, hydraulic disc brakes, and full-color LED display ensure a premium ride experience. Perfect for adults up to 250 pounds. Seat height: 29.5" | Bike Weight: 57 pounds. Class 2 E-Bike - Pedal assist and twist throttle up to 20 MPH. Full-color LED display - Speed, odometer, time, battery life and speed mode.