THE ORIGINAL AND STILL THE BEST! Now made from 100% recycled material, with a revised shape to better fit all modern suspension forks. The MarshGuard is an innovative mountain bike mudguard designed by ex-pat New Zealander and World Cup downhill mechanic Jason Marsh. Designed for and used by mechainics and racers on the World Cup circuit. The MarshGuard stops mud being brought through the gap between the lower crowns and wheel on suspension forks. It also protects fork stantions and seals helping to extend fork service intervals. The MarshGuard has had more race wins than any other mudguard.