New ebike not 2 weeks old wife can not handle it. Locked speed is 19 mph stage 1 and it has 3 stages or power levels? Don't know much about them , it's my 3rd. It is peak 1500 watt 750 watt. 90-100 Newton meters of torq. Battery is 48 volt 1800ah. Bike is good for 550 lbs, it is fat tire 16" wheels lights and tail/stop light. Looks like a mini bike.