How to maintain tires? Checking your tire pressure monthly. Check for abnormalities, cracking, and spotting leaks timely. Use quality protectant or lotion with UV protection if necessary. Rotate the tire for an even wear on time. Keep the tires on a dry condition. Remove the tiny stuff and other foreign objects in the tires. We will not be responsible for item loss due to wrong or unknown address. Please contact me before you return it. The item is lost during transit. The item is damaged during transport. The item in the actual use of the process of quality problems. (NO) Three stars is LOW star, NO 1,2,3 stars PLEASE! (YES) Please give us Five-star! Have Question or Problem? We will try our best to solve online if possible, if not, will give correct return address. I did not receive my item(2)(NO). I need to return my item(1)(NO). I receive an item that was not as described(1)(NO). Request to cancel this order(1)(NO). Step 3: Describe your question clearly; we will give you the best solution. We will help you to track the parcel all the way and give best solution for your order, please do not open case before give us a chance for communication!