ESKUTE V100 Electric Bike for Teens Adults Students, 750W 20 Mph 48V 13 Ah,16"x4.0" Fat Tire E Bicycle, 7-Speed Dual Suspension Mountain EBike Orange with Phonebag & Lock, UL2849

Hello darlene! We are very sorry to hear about your experience and regret any inconvenience this situation has caused. The bike is shipped in a partially assembled condition and we strongly recommend that all components, especially the braking system, be carefully checked and fully adjusted before riding. Safety is always our top priority, and we take feedback regarding performance and reliability very seriously. Regarding your concern about the brakes and the subsequent tire issue, this is not the experience we want for our customers. We would like to assist you in resolving this matter as quickly as possible. If you have not been able to complete your return or refund process, please contact us again with your order details so we can help coordinate directly with the appropriate support team and ensure your case is properly reviewed. We also apologize for any difficulty you experienced when trying to reach the vendor and for the inconvenience caused by delayed communication. Your feedback regarding response times has been noted and will be used to improve our customer service process. To ensure that any issues can be resolved as quickly and efficiently as possible, we kindly ask that you contact our customer service team immediately if you experience any problems with your bike. Providing photos or videos of the issue will help us assess the situation more accurately. In most cases, we will respond and provide a solution within 24 hours of receiving your information. We appreciate your patience and the opportunity to address this issue.