Maxxis Hookworm 29 x 2.50 60 TPI Wire Single Compound TyreFeatures Curved grooved slick design Rim to rim tread protected sidewalls 65 max psi tire Product Description As the original urban assault tyre, we designed the Hookworm to take the abuses of the most aggressive street riders. Bead to bead tread provides durability and traction whether you're dropping staircases, grinding rails or riding in your local skate park 60 TPI Single Compound Wire Bead