Maxxis Mu511/Mu521 Tire The Mu511 front and Mu521 rear tires are designed to excel in challenging environments, providing reliable performance for work-oriented ATVs and UTVs. With a wide contact patch and a robust 6 ply-rated construction, these tires offer impressive load-carrying capacity. The aggressive tread pattern ensures optimal traction and durability. Tall tread blocks and substantial voids facilitate rapid mud clearance, making these tires effective in wet and muddy conditions. The Mu511 and Mu521 deliver the confidence needed for demanding tasks. Features: 6-Ply-Rated construction Max PSI 22 Tread depth: 22/32 Sold each