Had issues with the bike since day 1, the battery had a bad cell and the wiring harness arrived pinched and broken underneath the battery. I sent dozens of emails of photos and videos showing how the battery won't fully charge and will drop down to 50% after only a few minutes. When they finally got back to me, they said they were out of batterys and would air mail me one from China. That was a week ago. The bike has been down almost a month now. DO NOT PURCHASE. AWFUL CUSTOMER SERVICE, NO PRODU...