The Onewheel trial rides is fun, but when you are floating on a wet dirty road board quickly accumulates chunks of mud between the battery box and the tire, which can cause various problems.
Polycarbonate scraper which is placed about 2 mm from tire surface knocks off almost all of stones, sticky mud and leaves. And because it is springy, it vibrates away all of the acumulated dirt through holes. Precisely CNC machined, easy to install, profile fits to most tires.
The kit includes Mounting screws