Fast and burly enough for sam hill and the specializedmonster energy team the butcher tyres excel in even the gnarliest terrain with fast rolling ramped centre knobs and perfectly sized shoulder knobs for bite in the cornersrecently featured in the dirt 100quota winning combination of tread pattern rubber compound stability and durabilityquot read more casing 60 tpi dual ply bead wire compound base 70a top 42a pinch protection butyl inserts at bead 26quot x 23