Stromer ST1 size M-L. Runs great. Low miles. This bike is over $5K new! Pedal assist up to 29 MPH. Fits riders 5'4"-6'. Huge battery so 60-75 Miles on a charge! 1 x 7 speed. Bike is at ELV Motors in San Jose if you want to test ride. Charger Included. This is a 2021, but here is a link to the current model specs which are about the same: https://us.stromerbike.com/pages/st1