Please note: Some new air rods now have BHE in English, while others do not have BHE in English. It's a random delivery Question 1: Why do we sell so cheaply? Answer 1: Because we sell directly to consumers, we have a significant advantage. We only make a slim profit, focusing solely on volume and giving back to consumers. Question 2Selling so cheaply, is the quality guaranteed? Answer 2. We start from raw materials, go through processes, packaging, and shipping.With layers of checks and strict control, you can use it with confidence.All are genuine photos. After-sales service: Please conduct an inflation test promptly after receiving the goods. If there are any leaks before installation, our store will offer a refund or exchange If there is air leakage after installation, it is definitely due to improper installation. Especially in road bikes, the inner tube is narrow. When installing, please be careful not to press the pry bar against the inner tube, as this can easily create a lever effect and damage the TPU inner tube. If there is any air leakage after installation, we cannot provide after-sales service for this issue. Thank you for your understanding