Introducing the SONDERS X LCD electric mountain bike, with a powerful 500 W rear hub motor and fat tires for smooth rides even on rough terrains. The bike features a 48 V lithium-ion battery that can be fully charged in just 4 hours, providing a maximum range of up to 60 miles. This unisex adult bike has 7-speed derailleur gears and a thumb shifter for easy gear changes. It also comes with a kickstand, adjustable seat, and lock for added convenience. The bike weighs 67 lb and has a maximum speed of 25 mph. Get ready for an electric biking experience like no other with the SONDERS X LCD. item is certified to UL 2849 standards and be able provide documentation showing the certification upon request. I