<b>There's no off-season due to the incredibly capable, incredibly versatile design. You can bike regardless of weather.</b><br> Frame Material: Aluminum Alloy<br> Wheel Diameter: 26"<br> Gear shift system: 21-speed transmission system<br> Display: LED 3-speed smart meter button (battery power /Gear indicator)<br> Light: Bright LED headlamp and horn<br> Motor: 250W high speed brushless gear motors<br> Lithium battery: 36V 8AH <br> Maximum speed: 22-30km/h<br> Mileage: 22-28km<br> Charging time: 4-6 hours<br> Max Gradient: 30°<br> Charger: Smart Lithium battery charger<br> Brake system: Front-wheel and rear disc brakes<br> Support System: Brake power-cut protection<br> Package Content: <br> 1 x Electric Mountain Bike (with the accessory)<br> <br> <b>Specification:</b><br> Full Length: 170cm/66.93"<br> Whole Height(from handlebars): 107-110cm/42.13-43.3"<br> Seat Height: 80-90cm/31.5-35.4"<br> Handlebars length: 64cm/25.2"<br> Vehicle weight: 25kg/55 lbs