With soft rubber compounds that stick to wet roots & rocks as well as perfectly-spaced knobs that allow the tyre to clean itself of mud & debris the Storm Control 2 Bliss Ready makes for a mud-munching tyre thats made for riders who wont shy away from an environmental challenge. Or to put it another way it delivers traction in sections that most riders wont even consider hiking over. Casing: 60 TPI for 15% enhanced cut-resistance Bead: Foldable Butyl wrapped bead = 2 Bliss Ready Compound: 60a> 650b x 2.0; psi 25-50; approximate weight 600g