【Compatibility】Suitable for the following models of original motors, Hiboy s2 ；
【Safe Riding】MONORIM disc brake kit, effectively shorten the braking distance, stopping more quickly and riding more safely;
【Easy Installation】Scan the QR code on the product packaging to find a comprehensive and detailed video installation tutorial, so that even first-time users can easily complete the installation; or search for the product name on a well-known video site；
【Specification】Diameter 16cm, 1KG;
【One-year warranty】We provide users with a one-year warranty service, during which we will provide free repair or replacement services if any quality problems occur in the product. Please note that damages caused by human damage or improper use are not covered by the warranty. If you have any questions, please feel free to contact us!

⛔️MONORIM front suspension mounted basic.
⛔️If you use the original Xiaomi motor, choose the MD-FB
⛔️If you use the MONORIM 500W motor（not include N9-22 motor）, choose the MD500W-FB.
⛔️To avoid product compatibility issues, please consult with us before purchasing.