The maxxis beaver specially designed for racing in adverse conditions the beaver features a tread design ideal for wet and muddy conditions the dual compound tread utilises a hard base layer to reduce rolling resistance and provide knob support while the siped softer outer layer provides unparalleled grip on wet rocks and roots the beaver is one aquatic friendly animal of a tyre maxxis beaver features foldable bead 120 tpi dual compound 65 psi wet and muddy conditions