The Purgatory GRID 2Bliss Ready tire is the standard bearer for light trail tire performance. The new, completely redesigned tread features square lugs that bite in on soft soil, while still providing support on hard-packed ground. Additionally, flexible center sipes fold out under braking force for increased ground contact and adhesion. For further peace of mind, the GRID casing provides the utmost in cut and flat protection at the sidewalls. And to top it all off, our proprietary GRIPTON® compound helps make this the perfect choice for epic trail rides in any condition. Casing: Additional sidewall protection for exceptional durability, plus sidewall stiffness for stability. Bead: Foldable Butyl wrapped bead = 2Bliss Ready Compound: GRIPTON® 26 x 2.3", psi 25-50, approximate weight 710g 27.5 x 2.3", psi 25-50, approximate weight 785g 27.5 x 2.6", psi 20-40, approximate weight 970g 27.5 x 3.0", Max Ride 25 psi / Max Install 35 psi, approximate weight 1100g 29 x 2.3", psi 25-50, approximate weight 810g 29 x 2.6", psi 20-40, approximate weight 900g