Using this AS3 rear sprocket is easy. First, make sure your bike is one of the compatible Fantic models (2021 - 2023 XX 125, XE 125, XX 250, XXF 250, XEF 250, XXF 450, XEF 450, but not the XEF 250 Trail). When installing, follow the standard procedures for your bike. As for maintenance, since it has self - cleaning grooves, dirt and debris will come off more easily. But it's still a good idea to clean it regularly with a mild cleaner. Avoid using abrasive materials that could scratch the anodised finish. Also, check for any signs of wear and tear every few rides. If you notice anything unusual, contact the UK company for support as it comes with a 12 - month warranty.