The Swiss Army knife of trail bike tires: meet the totally new Purgatory. This do-it-all tread features large center square lugs that bite in soft soil, while still providing support on hard-packed ground and equally at home on the front or back of the bike. Block-in-block knobs rolls fast, adapt to terrain, but are supremely confident when pushed hard. Theres plenty of meat on the Purgatorys carcass to offer reassuring grip across a wide range of terrain.High volume center blocks for climbing and braking traction, suitable for front or rear.Block-in-block knobs adapt to find grip.Staggered shoulder blocks for predictability and corner control.T7 Balanced grip and rolling compound.GRID Casing: 60 TPI, light and durable XC/Trail construction with additional sidewall protection and stability.Tubeless Ready.GRID 27.5x2.4" T7, psi 25-50, approximate weight 870g.