Friends, when a problem occurs, we will help you solve it as soon as possible, and we have been cooperating for more than a year. All products are of high quality, and you also want to continue buying our products. Don't be too anxious, my friend, we will help you solve the problem, please give me some time. We hope our cooperation will still be pleasant. Hope you understand and thank you for your trust in our products

I'm sorry to hear about the issues you've been experiencing with the replacement bike. As a customer-focused company, we take your feedback seriously and apologize for any inconvenience this may have caused. Please rest assured that we are committed to resolving this matter promptly and ensuring your satisfaction. Our team will work diligently to address the malfunctions and error codes you've encountered with the replacement bike. We appreciate your patience and understanding as we strive to provide you with the quality service you deserve. If you have any further concerns or questions, please don't hesitate to contact us directly.