250W powerful mid-motor Lyon Pro is equipped with a 250W, max 90 N.m mid-motor, which combines power and efficiency, making it suitable for urban commuting and light off-roading. Removable large-capacity battery Lyon pro is equipped with a removable battery. You don't have to carry the whole bike to a charging point. You can charge it at home or in the office at any time by simply removing the battery. Hydraulic disc brake The hydraulic disc brake has stronger braking force, allowing you to easily control the speed and maintain good braking performance in slippery environments. The brake damage rate is low, making your riding safer. LCD display with Bluetooth The integrated display screen has Bluetooth function. Riders can connect through the mobile phone app to monitor the vehicle status.smart navigation,and other personalized settings,improving the riding experience and safety, while facilitating the management and maintenance of bicycles. Automatic-sensing rear light Lyon Pro is equipped with bright headlights, providing good visibility at night or in foggy weather, and has an integrated automatic brake lightsensing function, which automatically turns on the warning light when braking, improving riding safety and ensuring travel safety and visibility in various light conditions. 9-Speed derailleur Shimano 9-speed derailleur ensures smooth and reliable shifting and offers a wide range of adjustment options for different road conditions. Puncture resistant tires Lyon pro is equipped with 27.5" large tires with anti-puncture and reflective strips, which can better cope with complex terrain and make the ride smoother. Specification: Battery:36V 15Ah (540Wh) Brakes:GEMMA hydraulic disc brake Brake level:GEMMA GA-900 Motor:36V 250W mid-motor, 90Nm Chain:KMC Fenders:Matte black aluminum alloy Charger:36V 5.0A (fast charge) Fork:Lock-out suspension fork Front Light:Setlet LUX 60 IP X5 Frame:6061 aluminum alloy Rear Lighting:Automatic-sensing brake light Pedal Assist:Adaptive 5-level power assist Handlebar:ZOOM MTB aluminum alloy Saddle:Customized vacuum high density PU foam Kickstand:Single-leg aluminum alloy Pedals:Wellgo city type Seatpost:ZOOM aluminum Φ31.6*350mm Range:≥90km(Measured riding on a full charge, flat road, 80kg rider) Load capacity:120KG Recommended height for riders:Above 155cm Display:LCD screen with bluetooth Controller:36V 250W Tires:27.5"x2.4" Derailleur:Shimano 9-speed Rear Rack:MIK System